next. 1 2 engine blocks small block chevrolet: motown ii iron motown ls hybrid iron ls chevrolet:...

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ENGINE BLOCKSSMALL BLOCK CHEVROLET:

Motown II Iron

Motown LS Hybrid Iron

LS CHEVROLET:

BIG BLOCK CHEVROLET:

Merlin III Iron

SMALL BLOCK FORD:

Man O’War Iron

INDEXCYLINDER HEADSSMALL BLOCK CHEVROLET:

S/R Iron

S/R Torquer Iron

Sportsman II Iron

Motown Iron


Merlin Iron

SMALL BLOCK FORD:

Windsor Jr. & Sr.

INTAKE MANIFOLDS ACCESORIESSMALL BLOCK CHEVROLET: VALVE COVERS

Motown


Merlin

SMALL BLOCK FORD:

Man O’War

CDsCHEVY | FORD

Engine Horsepower Recipes

ENGINE BUILDER PROGRAMWORLD PRODUCTS ENGINES:

Motown | Merlin | Man O war

CONTACT US

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MOTOWN SMALL BLOCK CHEVY

MAN O’WAR WINDSOR

MERLIN BIG BLOCK CHEVY

ENGINE BLOCKSChevy | Ford |

BLOCKS

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MOTOWN II Small Block ChevyIRON BLOCKSWorld Products has developed a refined version of its popular MOTOWN block in the form of the MOTOWN II, and now offers it in over many different variations for small block Chevrolet applications. The MOTOWN II boasts 152 fluid ounces of coolant per side and has demonstrated stability praised by racers and professional engine builders alike.

A MOTOWN II block won the inaugural Engine Masters Challenge and it was worth about 20 horsepower over others, thanks to its outstanding design and overall stability.

Expanded Water Jackets

152 Fluid Ounces per side

Blind TappedCylinder Head Stud/Bolt Holes

Priority Main Oiling

System Relocated

Max Bore4.200”

350 or 400 Mains

Stock Fuel Pump

Location

Indexed Lifter Bores

High Density

Cast Iron

Cam Oiling Hole

@ 5:00 Position

Under ManifoldOil Restrictor Placement

Max 55mmRoller

Bearing

BLOCKS

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Material: High density Cast IronDeck Height: 9.025" (standard Chevrolet)Deck Thickness: .600" minimum Cam Bearings: Std small block set • Can be machined for 55MM.Main Bearings: Std Chevrolet (350 & 400 style)Camshaft Location: StockLifter Bores: Indexed (stock .843" bore)Bore: 3.990" (hone to 4.000") or 4.115" (hone to 4.125")Maximum Bore: 4.200" Cylinder Wall Thickness: (.200" @ 4.200" bore)Water Jackets: Expanded for better coolingLubrication: New Relocated Priority main oiling systemOil System Features: Integral boss for front feed, boss for rear scavenge, rear main cap has provision for wet sump pumpFiltration: Integral mount for spin-on filterOil Pan Rails: Solid (stock width) can be clearanced for strokersCrank Clearance: 4.000" stroke (H-beam steel rods)Main Caps: Splayed Nodular iron 4-bolt (1/2") w / dowels or splayed billetFuel Pump: OEM mountStarter: OEM mountMotor Mounts: Dual (front and side)Cylinder Head Stud/Bolt Holes: Blind tapped to prevent leaksWeight: Iron: Approx 190 lbs.

#084010 9.025" x 3.990" x 350 mains, nodular iron splayed caps#084020 9.025" x 4.115" x 350 mains, nodular iron splayed caps#084030 9.025" x 4.115" x 400 mains, nodular iron splayed caps

#084110 9.025" x 3.990" x 350 mains, billet splayed caps#084120 9.025" x 4.115" x 350 mains, billet splayed caps#084130 9.025" x 4.115" x 400 mains, billet splayed caps

IRON BLOCK PART NUMBERS

Name: Tony DavisCar Make & Model: Chevy RS CamaroBest E.T./MPH: N/AHorsepower: 549Torque: 543MOTOWN 427 Small-block

BLOCKS

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MOTOWN II Small Block ChevyIRON BLOCKSTECHNICAL SPECIFICATIONS

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http://www.worldcastings.com/customer_rides

MOTOWN LSSmall Block ChevyIRON SBC/LS HYBRID BLOCKSIt sounds simple on the surface, but it's a masterful example of World Products' engineering prowess: We've redesigned the basic small-block cylinder block on the inside to accept modern GM LS cylinder heads and aspiration equipment. It's an exotic development that makes tremendous power. We've seen 650 HP and beyond with a single four-barrel and a classic 427 cubic inch displacement, with a broad rpm range to about 6,500 rpm. both the small-block and LS engine designs use 4.40-inch bore centers, so the LS heads' combustion chambers line up perfectly over the small block's cylinders.

The Motown LS block is also designed for the water flow characteristics and bolt pattern of the LS head. It is manufactured with a 9.240-inch deck height that matches production LS blocks, so off-the-shelf LS manifolds bolt right up. Headers designed for LS-style cylinder heads are required.

The advantages of the Motown LS Block are many:• Simple, easy installation in any chassis set up for a traditional Chevy small-block

• No expensive custom motor mounts, oil pan or other materials required to swap in an LS engine into a vehicle set up for a traditional small-block

• Better windage performance than an LS-style block helps the engine make more power than conventional small block or LS-type engines of similar displacements

• Maintains conventional distributor-triggered ignition (LS engines use a crank-triggered ignition)

Conventional distributortriggered ignition

9.240-inch LS deck height

High Density

Cast Iron

LS Head Bolt/Stud

Holes

LS StyleWater Jacket

Priority Main Oiling

System

StandardCam

BearingsNodular Ironor Billet Steel

Main Caps

4.200Max Bore

Lifter Bosses: Clearanced for

vertical bar lifters (can use std. height LS lifters)

BLOCKS

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Material: High density cast ironCam Bearings: Standard SB ChevyCam Location: Standard SB ChevyMaximum Bore: 4.200”Cylinder Wall Thickness: .250” at 4.200” boreWater Jackets: Expanded for better coolingLubrication: Priority main oiling systemOil System Features: Integral boss for front feed, boss for rear scavenge, rear main cap can accept wet sump pumpFilter: Integral mount for spin-on filterOil Pan Rails: Solid (stock width) clearanced for 4.000" strokeMain Cap Material: Street and Sportsman blocks caps are made from nodular iron,Race blocks are made from 1045 billet steel (unlike competitors’ softer 1020)Main Caps: Motown Iron Street main caps 1 thru 5 have 4 bolts, Sportsman and Race blocks have splayed 4-bolt caps (2, 3,4) and straight 4-bolt caps (1, 5)Main Cap Hardware: 1/2" ARP and ring dowels used to locate main caps firmly into position (not antiquated standard OEM outside registers)Rear Main Seal: Two piece SB ChevyFuel Pump: Stock location SB ChevyMotor Mounts: Dual (front & side) SBC/ LSCylinder Head Bolt/Stud Holes: Blind tapped to prevent water leaksLifter Bosses: Clearanced for vertical bar lifters (can use std. height LS lifters)Clutch Linkage: Standard mountsStarter Mount: Stock locationWeight: Approximately 190lbs.

MOTOWN LS Small Block ChevyIRON SBC/LS HYBRID BLOCK TECHNICAL SPECIFICATIONS

IRON SBC/LS HYBRID BLOCK PART NUMBERS

#084080 4.115" bore, 400 mains, nodular splayed 4-bolt caps

#084180 4.115" bore, 400 mains, billet steel splayed 4-bolt caps

Requires Block Kit #703855-K

The World Products Motown LS 427

Available exclusively from our Engine Builder Program

CLICK HERE TO CHOOSE A PARTCIPATING ENGINE BUILDER

The only Small Block Chevy block made to use LS Style Heads! Build one yourself with one of our Engine

Horsepower Recipe CDs.

CLICK HERE FOR MORE DETAILSABOUT ENGINE HORSEPOWER CDs

BLOCKS

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http://www.worldcastings.com/enginebuilders/enginebuilders.html



MERLIN IIIBig Block ChevyIRON BLOCKSNow in it’s generation, World’s continually upgraded MERLIN cast iron block is the perfect foundation for any big block Chevrolet engine assembly. Made of a high density iron and manufactured to QS-9000 specifications on just two fixtures to eliminate tolerance stacking common on production lines, the MERLIN III can be bored to a maximum of 4.625” and is clearanced for a 4.375” crank on a 9.800 Deck height and 4.750 on a 10.200 Deck height. With a reinforced bottom end featuring 4-bolt splayed main caps, the MERLIN III can handle serious horsepower with complete reliability. It’s an excellent all-around value too!

Priority Main Oiling System

Stock Oil Pan Rails

Distributor GearOiling Hole

High Density

Cast Iron

Standard ChevyCam

Bearings


Standard ChevyMain

Bearings

Indexed Stock Lifter Bores

9.800 or 10.200

Deck Heights

Provisions for BoltDown Valley Screen

.250 Cylinder Wall Thickness at 4.600 Bore

Bosses forAdditional Head Bolts

BLOCKS

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MERLIN III Big Block ChevyIRON BLOCKS TECHNICAL SPECIFICATIONS IRON BLOCKS PART NUMBERSMaterial: High Density Cast Iron Deck Height: 9.800 or 10.200"Deck Thickness: .600" minimumCam Bearings: Standard ChevroletMain Bearings: Standard ChevroletCamshaft Location: StockLifter Bores: Indexed (stock .8437" bore)Bore: 4.240 (hone to 4.250") or 4.490 (hone to 4.500")Maximum Bore: 4.625"Cylinder Wall Thickness: .250" at 4.600" boreWater Jackets: Expanded for better coolingLubrication: Priority main oiling systemFiltration: Integral mount for spin-on filterOil Pan Rails: Solid (stock width)Crank Clearance: 4.750" stroke crank (10.2) 3.75” stroke (9.8)Main Caps: Nodular iron or billet steelFuel Pump: OEM mountStarter: OEM mountMotor Mounts: Dual (front and side)Cylinder Head Bolt.StudHoles: Blind tapped to prevent leaksWeight: Approximately 270 lbs.

#081100 9.800" x 4.240", standard cam, nodular iron splayed main caps#081101 9.800" x 4.490", standard cam, nodular iron splayed main caps#081102 9.800" x 4.590", standard cam, nodular iron splayed main caps#081110 10.200" x 4.240", standard cam, nodular iron splayed main caps#081111 10.200" x 4.490", standard cam, nodular iron splayed main caps#081112 10.200" x 4.590", standard cam, nodular iron splayed main caps

#085000 9.800" x 4.240", standard cam, billet splayed main caps#085010 9.800" x 4.490", standard cam, billet splayed main caps#085012 9.800" x 4.590", standard cam, billet splayed main caps#085100 10.200" x 4.240", standard cam, billet splayed main caps#085110 10.200" x 4.490", standard cam, billet splayed main caps#085112 10.200" x 4.590", standard cam, billet splayed main caps

Name: Robert HoffmanCar Make & Model: Chevrolet CorvetteHorsepower: 950 plus NOSMerlin Iron Block

BLOCKS

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MAN O’WAR Small Block FordIRON BLOCKSFrom all measurable standards, World Products’ trendsetting MAN O’WAR cast iron block is the ultimate replacement for factory 302 blocks. It comes in various deck heights to match the application. The 8.2” block is a direct bolt in for 5.0L Mustangs and compatible with OEM heads and exhaust systems. You should know that the MAN O’WAR block was used to win the Engine Masters Challenge, and that its design allows huge displacements. Add provisions for 2 extra bolts per cylinder and you can see why it’s a favorite of serious Blue Oval racers!

The MAN O’WAR block was designed from scratch (in collaboration with a leading NASCAR team) using CAD/CAM and 3D design technology. With the ability to design not only the part but the tooling to manufacture it, World’s engineering team has come up with an elegant design that can be cast and machined to exacting specs. Like all other World blocks, the MAN O’WAR is machined using only two fixturing operations, avoiding the tolerance stacking found in OEM production lines.

High DensityCast iron

Available in8.200, 9.200 or 9.500

Deck Heights

Stock Plus2 Extra Head

Bolts Per Cylinder

Stock Cam Bearing

(Can be Machined to 60mm)


Priority Main Oiling System

Approx.200lbs

Max Bore: 4.155

Splayed Billet Steelor Nodular Iron

4 Bolt Mains

BLOCKS

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MAN O’WAR Small Block FordIRON BLOCKS TECHNICAL SPECIFICATIONS IRON BLOCKS PART NUMBERSMaterial: High density cast ironDeck Height: 8.200”, 9.200” or 9.500"Deck Thickness: .600" minimum Cam Bearings: Stock - can be bored to 60MMLifter Bores: Cross-feeds between pairs to maintain pressureBore: 3.990" (bore to 4.000") or 4.115" (bore to 4.125")Cylinder Head Attachment: Stock plus 2 extra head bolts per cyl. (not req.)Maximum Bore: 4.155"Water Jackets: Expanded for better coolingLubrication: Priority main oiling systemFiltration: Integral mount for spin-on filterOil Pan Rails: Stock FordCrank Clearance: Up to 3.500" (8.2 Deck) 4.250” (9.5 Deck) Main Caps: Splayed billet steel, nodular iron, 4 bolt Oil System: Has .500" feed; bosses for dry sumpWeight: Approximately 200 lbs

087010 8.200” x 3.990" x 2.248" mains, nodular iron splayed caps 087020 8.200" x 4.115" x 2.248" mains, nodular iron splayed caps087052 9.200" x 3.990" x 2.749" mains, nodular iron splayed caps087072 9.500" x 3.990" x 2.749" mains, nodular iron splayed caps087082 9.500" x 4.115" x 2.749" mains, nodular iron splayed caps

087110 8.200" x 3.990" x 2.248" mains, billet splayed caps087120 8.200" x 4.115" x 2.248" mains, billet splayed caps087152 9.200" x 3.990" x 2.749" mains, billet splayed caps087172 9.500" x 3.990" x 2.749" mains, billet splayed caps087182 9.500" x 4.115" x 2.749" mains, billet splayed caps

Name: Jason LeeCar Make & Model: Ford Mustang GTBest E.T./MPH: 7.97/174.85Horsepower: 1300+First person to break the 7 second barrier in the NMRA's BFGoodrich Drag Radial class, with a 360 cubic inch World Products Man O'War block.

BLOCKS

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MAN O’WAR WINDSOR FORD


CYLINDER HEADSChevy | Ford

HEADS

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S/R Small Block ChevyIRON CYLINDER HEADSThere are several important reasons why World’s S/R cylinder heads are the preferred alternative to expensive OEM castings or junkyard rebuilds.

First, you should know these heads are designed with extra-thick decks and walls for improved reliability as well as equipped with hardened steel exhaust seats that are compatible with today’s unleaded gasolines. They also come with screw-in rocker arm studs for extra durability. Needless to say, the S/R is substantially more durable than OEM castings. Valve cover rails have been raised and carefully machined to eliminate oil leaks and the heads can accommodate either early style perimeter or late model center bolt valve covers.

Secondly, they are fully 50-state emissions legal and because they are an OEM replacement head, they are legal for use by many oval tracks and race Sanctioning organizations.

In fact, NHRA accepts World castings #043600 and #043610 as replacements for Chevrolet 041, 186, 291, 462 and 492 cylinder heads. World Products SR Sportsman Cylinder Heads are the ONLY heads allowed in the United Rebel Sprint Series!

HEADS


65cc Exhaust

Ports (Standard Location)

170cc Intake Runner

(Standard Port Location)

1.940” Intake1.500” Exhaust

(11/32 Stem)

Straight Plug Orientation

58cc, 67cc or 76cc Combustion Chamber

Stock AccessoryBolt Holes

1.5 Rocker Arm Ratio

Screw-in Style Rocker Arm Studs

Raised Valve Cover Rail(w/ Perimeter and center bolt pattern)

Manley Stainless Steel Valves

In Assemblies

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#07090-W World Logo Valve CoversTall, Cast Aluminum, Polished, World logo, Chevy Small Block. The ultimate way to top off your S/R heads!

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http://www.unitedrebelsprintseries.com/



Casting ID Number: I-052, I-058Material: High density cast ironValve Seats: Intake (integral), exhaust (hardened)Valve Guides: Integral cast ironSpring Seats: Machined for 1.560" and 1.250"Valves: Manley stainless steel valves in assemblies (inconel exhaust valves on marine applications)Valve Diameter: 1.940" intake, 1.500" exhaust (11/32" stem)Rocker Arm Studs: Screw-in styleRocker Arms: 1.5 ratio (use of 1.6 ratio will require elongation of pushrod holes)Intake Runner: 170cc, standard port locationExhaust Ports: 65cc, standard locationCombustion Chamber: 58cc, 67cc or 76cc, straight plug orientationSpark Plug: 14mm 5/8" .460" reach tapered styleValve Job: Multi-angle intake and radiused exhaustValve Cover Rail: Raised w/ perimeter and center bolt patternValve Angle: Stock 23°Accessory Bolt Holes: Stock50-State Emissions legal. Accepted for use by these racing organizations. Check with rule book.

Head Flow @ .500 Lift 220 intake, 153 exhaust (Super Flow 1020)232 intake, 161 exhaust (Super Flow 600)

All heads flowed with a standard .750" intake plate, without exhaust tube, and 28" of water.

HEADS

#042650 (for 305 c.i.d.), 58cc chamber, straight plug, bare casting, 1.940 x 1.500#042650-1 (for 305 c.i.d.), 58cc chamber, straight plug, hydraulic cam 1.250" spring assembly#042650-2 (for 305 c.i.d.), 58cc chamber, straight plug, mech./hyd. roller 1.437" spring assembly#042750 (for 305 c.i.d.), 58cc chamber, straight plug, 87 & up intake, bare casting,1.940 x 1.500 #042750-1 (for 305 c.i.d.), 58cc chamber, straight plug, hydraulic cam 1.250" spring assembly#042750-2 (for 305 c.i.d.), 58cc chamber, straight plug, mech./hyd. roller 1.437" spring assembly#043600 76cc chamber, straight plug, bare casting, 1.940 x 1.500#043600-1 76cc chamber, straight plug, hydraulic cam 1.250" spring, assembly#043600-2 76cc chamber, straight plug, mech./hyd. roller 1.437" spring, assembly#043610 67cc chamber, straight plug, bare casting, 1.940 x 1.500#043610-1 67cc chamber, hydraulic cam 1.250" spring assembly#043610-2 67cc chamber, mech./hyd. roller 1.437" spring assembly#043640 76cc chamber, straight plug, 87 & up intake, bare casting, 1.940 x 1.500 #043640-1 76cc chamber, straight plug, 87 & up intake face, hydraulic cam 1.250" spring assembly#043640-2 76cc chamber, straight plug, 87 & up intake face, mech./hyd. roller 1.437" spring assembly#043650 67cc chamber, straight plug, 87 & up intake, bare casting, 1.940 x 1.500#043650-1 67cc chamber, straight plug, 87 & up intake face, hydraulic cam 1.250" spring assembly#043650-2 67cc chamber, straight plug, 87 & up intake face, mech./hyd. roller 1.437" spring assembly

S/R HEAD ASSEMBLY SPRING SPECS-1 Hydraulic Flat Tappet Cam 1.250": 100 lbs. @ 1.810", 300 lbs. @ 1.250", coil bind @ 1.200" MAX LIFT @ .560"

-2 Mech. Flat Tappet or Hydraulic Roller Cam1.437": 125 lbs. @ 1.850", 340 lbs. @ 1.210", coil bind @ 1.160" MAX LIFT @ .600”

GM PART NUMBER CONVERSION:World #043600 = GM 333882, 460703, 462624, 468642, 3911032,3927187, 3932141, 3946813, 3947041, 3970126, 3973414, 3973493* 3974387, 3981598*, 3986339, 3998920, 3998991, 3998993, 3998997, 14020516, 14020517, 14020556, 14071114, 14079261

World #043610 = GM 3795896, 3814482, 3827185, 3884520, 3890462, 3911032, 3917290, 3917291, 3927186, 3932441, 3946813, 3973370, 3998993

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S/R IRON CYLINDER HEADSPART NUMBERS

S/R Small Block ChevyIRON CYLINDER HEADS TECHNICAL SPECIFICATIONS

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Improved replacements for the factory heads, World's SR Torquer provide up to 30HP over stock! There are several important reasons why World’s S/R cylinder heads are the preferred alternative to expensive OEM castings or junkyard rebuilds.

First, you should know these heads are designed with extra-thick decks and walls for improved reliability as well as equipped with hardened steel exhaust seats that are compatible with today’s unleaded gasolines. They also come with screw-in rocker arm studs for extra durability. Needless to say, the S/R is substantially more durable than OEM castings.

Secondly, they are fully 50-state emissions legal and because they are an OEM replacement head, they are legal for use by many oval tracks and race Sanctioning organizations.

Valve cover rails have been raised and carefully machined to eliminate oil leaks and the heads can accommodate either early style perimeter or late model center bolt valve covers.

HEADS


65cc Exhaust


Straight Plug Orientation

67cc or 76cc Combustion Chamber





170cc Intake Runner


2.002” Intake1.600” Exhaust

(11/32 Stem)


In Assemblies

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#07090-454W World Logo 454 Valve CoversTall, Cast Aluminum, Polished, World logo, Chevy Small Block. Also available for 415 & 427 Displacement logos!

S/R TORQUER Small Block ChevyIRON CYLINDER HEADS

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Casting ID Number: I-052, I-058Material: High density cast ironValve Seats: Intake (integral), exhaust (hardened)Valve Guides: Integral cast ironSpring Seats: Machined for 1.560" and 1.250"Valves: Manley stainless steel valves in assemblies (inconel exhaust valves on marine applications)Valve Diameter: 2.020" intake, 1.600" exhaust (11/32" stem)Rocker Arm Studs: Screw-in styleRocker Arms: 1.5 ratio (use of 1.6 ratio will require elongation of pushrod holes)Intake Runner: 170cc, standard port locationExhaust Ports: 65cc, standard locationCombustion Chamber: 67cc or 76cc, straight plug orientationSpark Plug: 14mm 5/8" .460" reach tapered styleValve Job: Multi-angle intake and radiused exhaustValve Cover Rail: Raised w/ perimeter and center bolt patternValve Angle: Stock 23°Accessory Bolt Holes: Stock50-State Emissions legal. Accepted by most oval tracks and sanctions as stock replacements. Check with rule book.

Head Flow @ .500 Lift223 intake, 143 exhaust (Super Flow 1020)235 intake, 151 exhaust (Super Flow 600)


#042660 170cc intake, 67cc chamber, straight plug, bare casting, 2.020 x 1.600#042660-1 67cc chamber, straight plug, hydraulic cam 1.250" spring assembly#042660-2 67cc chamber, straight plug, mech./hydraulic roller cam 1.437" spring assembly#042670 170cc intake, 76cc chamber, straight plug, bare casting, 2.020 x 1.600#042670-1 76cc chamber, straight plug, hydraulic cam 1.250" spring assembly#042670-2 76cc chamber, straight plug, mech./ hydraulic roller cam 1.437" spring assembly#042770 170cc intake, 76cc chamber, straight plug, '87 & up intake, bare casting, 2.020 x 1.600#042770-1 76cc chamber, straight plug, '87 & up intake face, hydraulic cam 1.250" spring assembly#042770-2 76cc chamber, straight plug, '87 & up intake face, mech./ hydraulic roller cam 1.437" spring assembly

S/R TORQUER ASSEMBLYSPRING SPECS-1 Assembled Heads: Hydraulic Flat Tappet Cam 1.250": 100 lbs. @ 1.810", 300 lbs. @ 1.250", coil bind @ 1.200" MAX LIFT @ .560"

-2 Assembled Heads: Mech. Flat Tappet or Hydraulic Roller Cam1.437": 125 lbs. @ 1.850", 340 lbs. @ 1.210", coil bind @ 1.160" MAX LIFT @ .600”

HEADS

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S/R TORQUER IRON CYLINDER HEADS PART NUMBERS

S/R TORQUER Small Block ChevyIRON CYLINDER HEADSTECHNICAL SPECIFICATIONS

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SPORTSMAN II Small Block ChevyIRON CYLINDER HEADS The industry’s most popular true high performance cast iron cylinder head has been continuously improved since its introduction over 20 years ago. The cylinder head, became an instant success and was named Product of the Year in 1988 by Hot Rod Magazine. It produces 30-70 HP over stock heads With 200cc intake and 69cc exhaust ports, World’s SPORTSMAN II heads offer 30-70 horsepower gains over OEM heads, yet are 50-state emissions legal (E.O. #D-343-1).

# 070810 Sportsman II Valve CoversTall, Cast Aluminum, Polished, Sportsman/World Logo, Chevy, Small BlockThe ultimate finishing touch for your Sportsman II heads.

HEADS

High Density

Cast iron

69cc Exhaust


200cc Intake Runner



In Assemblies 14mm 5/8Spark Plug

(.460 Tapered Style) 64cc or 72cc Combustion

Chamber





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SPORTSMAN IISmall Block ChevyIRON CYLINDER HEADS TECHNICAL SPECIFICATIONS Casting ID Number: I-037Material: High density cast ironValve Seats: Intake (integral), exhaust (hardened)Valve Guides: Integral cast ironSpring Seats: Machined for 1.560" and 1.250"Valves: Manley stainless steel valves in assemblies (inconel exhaust valves on marine applications)Valve Diameter: 2.020"" intake, 1.600" exhaust (11/32" stem)Guide Plates: StockRocker Arm Studs: Screw-in styleRocker Arms: 1.5 ratio (use of 1.6 ratio will require elongation of pushrod holes)Intake Runner: 200cc, standard port locationExhaust Ports: 69cc, standard locationCombustion Chamber: 64cc or 72cc, straight or angled plug orientationSpark Plug: 14mm 5/8" .460" reach tapered styleValve Job: Multi-angle intake and radiused exhaustValve Cover Rail: Raised w/ perimeter and center bolt patternValve Angle: Stock 23°Accessory Bolt Holes: Stock50-State Emissions legal. Accepted by theses racing sanctions as stock replacements. Check with rule book.

Head Flow @ .600 Lift245 intake, 165 exhaust (Super Flow 1020)260 intake, 176 exhaust (Super Flow 600)All heads flowed with a standard .750" intake plate, without exhaust tube, and 28" of water.

HEADS

#011150 200cc intake, 64cc chamber, angle plug, bare casting, 2.020 x 1.600#011150-1 64cc chamber, angle plug, hydraulic cam 1.250" spring assembly#011150-2 64cc chamber, angle plug, mech/hyd roller cam 1.437" spring, assembly#011150-3 64cc chamber, angle plug, solid roller cam 1.550" spring, assembly#011250 200cc intake, 64cc chamber, straight plug, bare casting, 2.020 x 1.600 #011250-1 64cc chamber, straight plug, hydraulic cam 1.250" spring assembly#011250-2 64cc chamber, straight plug, mech/hyd roller 1.437" spring assembly#011250-3 64cc chamber, straight plug, solid roller cam 1.550" spring assembly#012150 200cc intake, 72cc chamber, angle plug, bare casting, 2.020 x 1.600 #012150-1 72cc chamber, angle plug, hydraulic cam 1.250" spring assembly#012150-2 72cc chamber, angle plug, mech/hyd roller cam 1.437" spring assembly#012150-3 72cc chamber, angle plug, solid roller cam 1.550" spring assembly#012250 200cc intake, 72cc chamber, straight plug, bare casting, 2.020 x 1.600#012250-1 72cc chamber, straight plug, hydraulic cam 1.250" single spring assembly#012250-2 72cc chamber, straight plug, mech/hyd roller cam 1.437" spring assembly#012250-3 72cc chamber, straight plug, solid roller cam 1.550" spring assembly

SPORTSMAN IIHEAD ASSEMBLY SPRING SPECSPlease Note: Bare Heads contain no Valves.-1 Hydraulic Flat Tappet Cam 1.250": 100 lbs. @ 1.810", 300 lbs. @ 1.250", coil bind @ 1.200", MAX LIFT @ .570"-2 Mech. Flat Tappet or Hydraulic Roller Cam1.437": 125 lbs. @ 1.850", 340 lbs. @ 1.210", coil bind @ 1.160"MAX LIFT @ .600" -3 : Solid Roller Cam1.550": 200 lbs. @ 1.900", 480 lbs. @ 1.200", coil bind @ 1.150“ MAX LIFT @ .700"

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SPORTSMAN II IRON CYLINDER HEADS PART NUMBERS

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MOTOWN Small Block ChevyIRON CYLINDER HEADSDesigned for use in racing applications where cast iron heads are mandated, or for larger displacement small block street-type engines, World’s 220cc intake Motown heads are the ULTIMATE cast iron SBC head. Employing RightCast ® ports, big 2.080 diameter intake valves & a highly efficient 64cc combustion chamber, the Motown provides significant power increases over other heads on the market.

These are ideally suited for small block Chevy heads of 383 or larger displacements. Available bare or in complete assemblies in straight or angle plug configurations.

#070820 Motown Valve Covers Tall, Cast Aluminum, Polished, Motown Logo, Chevy Small Block The ultimate finishing touch for your Motown heads.

High Density

Cast iron

Valve Diameter: 2.080"" intake, 1.600" exhaust

(11/32" stem)

70cc Exhaust


Straight or Angle Plugs


In Assemblies

64ccCombustion

Chamber


StockGuide Plates

Raised Valve Cover Rail

(w/ Perimeter and center bolt pattern)



HEADS

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Casting ID Number: I-038 Material: High density cast ironValve Seats: Intake (integral), exhaust (hardened) Valve Guides: Integral cast iron Spring Seats: Machined for 1.560"Valves: Manley stainless steel valves in assemblies Valve Diameter: 2.080"" intake, 1.600" exhaust (11/32" stem) Guide Plates: Stock Rocker Arm Studs: Screw-in style Rocker Arms: 1.5 ratio (use of 1.6 ratio will require elongation of pushrod holes) Intake Runner: 220cc, standard port location Exhaust Ports: 70cc, standard location Combustion Chamber: 64cc, straight or angled plug orientation Spark Plug: 14mm 5/8" .460" reach tapered style Valve Job: Multi-angle intake and radiused exhaust Valve Cover Rail: Raised w/ perimeter and center bolt pattern Valve Angle: Stock 23°Accessory Bolt Holes: Stock Accepted by most oval tracks and sanctions. Check with rule book.

MOTOWNSmall Block ChevyIRON CYLINDER HEADS TECHNICAL SPECIFICATIONS

Head Flow @ .700 Lift273 intake, 192 exhaust (Super Flow 1020) 287 intake, 202 exhaust (Super Flow 600)


HEADS

#014150 220cc intake, 64cc chamber, angle plug, bare casting, 2.080 x 1.600#014150-1 64cc chamber, angle plug, hyd. flat tappet 1.250" spring assembly#014150-2 64cc chamber, angle plug, mech./hyd. roller 1.437" spring assembly#014150-3 64cc angle plug, roller cam 1.550" spring assembly #014250 220cc intake, 64cc chamber, straight plug, bare casting, 2.080 x 1.600 #014250-1 64cc chamber, angle plug, hyd. flat tappet 1.250" spring assembly#014250-2 64cc chamber, straight plug, mech./hyd. roller 1.437" spring assembly#014250-3 64cc chamber, straight plug, roller cam 1.550" spring assembly

MOTOWN IRON HEAD ASSEMBLY SPRING SPECSPlease Note: Bare Heads contain no Valves. -1 Hydraulic Flat Tappet Cam 1.250": 100 lbs. @ 1.810", 300 lbs. @ 1.250", coil bind @ 1.200“ MAX LIFT @ .570"-2 Mech. Flat Tappet or Hydraulic Roller Cam1.437": 125 lbs. @ 1.850", 340 lbs. @ 1.210", coil bind @ 1.160", MAX LIFT @ .600" -3 Solid Roller Cam1.550": 200 lbs. @ 1.900", 480 lbs. @ 1.200", coil bind @ 1.150“ MAX LIFT @ .700""

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MERLIN Big Block ChevyOVAL & RECTANGULAR PORTIRON CYLINDER HEADSWorld’s MERLIN series has earned a reputation as the performance industry standard for Big Block Chevy power. The cast iron MERLINS are available in both oval and rectangular port designs, with intake ports offered in 269cc, 320 and 345cc configurations. Choose the port size that will provide the optimum balance of flow and velocity for your engine combination. They are available bare or in complete assemblies that feature multi-angle valve jobs, Manley stainless steel valves and valve springs matched to camshaft requirements.

World Products Merlin cylinder heads for big Chevys combine large intake runners with open combustion chambers to produce good torque and low-end power. Assemblies include valves, springs, retainers, keepers, chrome moly screw-in studs, and hardened steel guide plates. These heads are also available in Marine trim, equipped with ultra high temperature Inconel exhaust valves and other special components.

#07093-W Merlin Valve CoversTall, Cast Aluminum, Polished, "Merlin" Logo, Chevy Big BlockThe ultimate finishing touch for your Merlin heads.

OVAL PORT

RECTANGULAR PORT


Open Chamber Design

119cc Combustion

Chamber

269cc, 320ccor 345cc

Intake Runners (Standard Location)



In Assemblies

Standard Rocker Arms w/ Screw In Style Studs

Valve Diameters: 2.300" intake, 1.880" exhaust (11/32" stem)

Stock Guide Plates (for best fit use

World #702354-8)

Valve SeatsIntake (integral),

exhaust (hardened)

137cc Exhaust Ports (Standard Location)

HEADS

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MERLINBig Block Chevy OVAL & RECTANGULAR PORTIRON CYLINDER HEADS TECHNICAL SPECIFICATIONSCasting ID Numbers: WOR-043B (345cc) WOR-043D (320cc) WOR-043D (269cc)Material: High density cast ironValve Seats: Intake (integral), exhaust (hardened)Valve Guides: Integral cast ironSpring Seats: Machined for 1.560" (can machine to 1.625")Valves: Manley stainless steel valves in assemblies (inconel exhaust valves on marine applications)Valve Diameter: 2.300" intake, 1.880" exhaust (11/32" stem)Guide Plates: Stock (for best fit use World #702354-8)Rocker Arm Studs: Screw-in styleRocker Arms: StandardIntake Runner: 269cc,320cc or 345cc - standard port locationExhaust Ports: 137cc, standard locationCombustion Chamber: 119ccSpark Plug: 14mm 5/8" .460" reach tapered seatValve Job: Multi-angle intake and radiused exhaustValve Cover Rail: RaisedValve Angle: Stock 24°Accessory Bolt Holes: StockChamber Design: Open

Head Flow @ .700 Lift370 intake, 261 exhaust (Super Flow 1020)389 intake, 275 exhaust (Super Flow 600)

All heads flowed with a standard .750" intake plate, without exhaust tube, & 28" of water.

#030040 269cc intake, Oval port, 119cc chamber, bare casting, 2.300 x 1.880#030040-1 Oval port, 119cc chamber, hydraulic cam 1.550" spring assembly#030040-2 Oval port, 119cc chamber, mech./hydraulic roller 1.550" spring assembly#030040-3 Oval port, 119cc chamber, roller cam 1.550" spring assembly#030620 Rectangle port, 119cc chamber, bare casting, 320cc intake, 2.300 x 1.880#030620-1 320cc intake, Rectangle port, 119cc chamber, hydraulic cam 1.550" spring assembly#030620-2 Rectangle port, 119cc chamber, mech./hydraulic roller 1.550" spring assembly#030620-3 Rectangle port, 119cc chamber, roller cam 1.550" spring assembly#030620-4 Rectangle port, 119cc chamber, race roller cam 1.640" spring assembly#030630 345cc intake, Rectangle port, 119cc chamber, bare casting, 2.300 x 1.880#030630-1 Rectangle port, 119cc chamber, hydraulic cam 1.550" spring assembly#030630-2 Rectangle port, 119cc chamber, mech./hydraulic roller 1.550" spring assembly#030630-3 Rectangle port, 119cc chamber, roller cam 1.550" spring assembly#030630-4 Rectangle port, 119cc chamber, race roller cam 1.640" spring assembly

MERLIN IRON HEAD SPRING SPECS -1 Hydraulic Flat Tappet Cam (oval port only) 1.550": 125 lbs. @ 1.980", 300 lbs. @ 1.380", coil bind @ 1.160", MAX LIFT @ .700" -1 Hydraulic Flat Tappet Cam 1.550": 125 lbs. @ 1.980", 300 lbs. @ 1.380", coil bind @ 1.160", MAX LIFT @ .600"-2 Mech. Flat Tappet or Hydraulic Roller Cam1.550": 150 lbs. @ 1.910", 350 lbs. @ 1.260", coil bind @ 1.210“, MAX LIFT @ .650"-3 Solid Roller Street Cam1.550": 225 lbs. @ 1.910", 520 lbs. @ 1.210", coil bind @ 1.160", MAX LIFT @ .700" -4 Solid Roller Race Cam1.640": 275 lbs. @ 2.000 ", 600 lbs. @ 1.210", coil bind @ 1.050", MAX LIFT @ .900"

IRON CYLINDER HEADSPART NUMMBERS

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WINDSOR JR & SR Small Block FordIRON CYLINDER HEADSThe WINDSOR series of heads are the cost-effective choice for serious power from your Windsor Style Small Block Ford!

When it comes to high performance replacements for factory cast iron heads, World’s WINDSOR JR. has the market covered with 180cc intake runners, plus the 64cc exhausts ports are substantially larger than OEM Ford heads. Add a highly efficient combustion chamber design and larger valves and you have big bolt-on power. These heads are 50-State emissions legal factory replacements.

World’s WINDSOR SR. boasting 200cc ports, plus 64cc exhaust ports that are substantially larger than OEM Ford heads. Add a highly efficient combustion chamber design and larger valves and you have big bolt-on power. These heads are also 50-State emissions legal factory replacements.

07095-W World Logo Valve Covers Tall, Cast Aluminum, Polished, World Logo, Ford Small Block World Logo Valve Covers also available with 302, 347, 351, 371, 427 & 460 Displacement logos!

58cc & 64ccCombustionChambers

64cc Exhaust Ports (Standard Location)

High Density

Cast Iron

20 Degree Stock Valve

Angle

Valve SeatsIntake (hardened), exhaust (hardened)



In Assemblies

14mm .460" reach tapered seat

Spark Plug


Integral Cast Iron

Valve Guides

Direct Bolt-OnFor 302/351

HEADS

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WINDSOR JR & SR Small Block FordIRON CYLINDER HEADS TECHNICAL INFORMATIONCasting ID Number: I-056 (JR-180cc) I-061 (SR-200cc)Material: High density cast ironValve Seats: Intake (integral), exhaust (hardened)Valve Guides: Integral cast ironSpring Seats: Machined for 1.560" and 1.250"Valves: Manley stainless steel valves in assemblies (inconel exhaust valves on marine applications)Valve Diameter JR: 1.940" intake, 1.600" exhaust (11/32" stem)Valve Diameter SR: 2.020" intake, 1.600" exhaust (11/32" stem)Guide Plates: Special World part #702352-8Rocker Arm Studs: Screw-in styleRocker Arms: Adjustable rockers recommended. 1.6 ratio(use of 1.73 ratio will require elongation of pushrod holes)Intake Runner: JR-180cc, SR- 200cc, standard port locationExhaust Ports: 64cc, standard location (dual exhaust bolt pattern to accommodate large custom headers)Combustion Chamber: JR-58cc, SR-64ccSpark Plug: 14mm 5/8" .460" reach tapered styleValve Job: Multi-angle intake and radiused exhaustValve Cover Rail: RaisedValve Angle: Stock 20°Accessory Bolt Holes: Stock50-State Emissions legal

Head Flow @ .600 Lift: JR234 intake, 160 exhaust (Super Flow 1020)246 intake, 148 exhaust (Super Flow 600)

Head Flow @ .600 Lift: SR251 intake, 174 exhaust (Super Flow 1020)264 intake, 183 exhaust (Super Flow 600)All heads flowed with a standard .750" intake plate, without exhaust tube, and 28" of water.

IRON CYLINDER HEADS PART NUMBERS#053030 WINDSOR JR. 180cc intake, 58cc chamber, bare casting, 1.940 x 1.600#053030-1 WINDSOR JR. 58cc chamber, hydraulic cam 1.250" spring assembly #053030-2 WINDSOR JR. 58cc chamber, mech./hydraulic roller cam 1.437" spring assembly#053030-3 WINDSOR JR. 58cc chamber, roller cam 1.550" spring assembly

#053040 WINDSOR SR. 200cc intake, 64cc chamber, bare casting, 2.020 x 1.600#053040-1 WINDSOR SR. 64cc chamber, hydraulic cam 1.250" spring assembly#053040-2 WINDSOR SR. 64cc chamber, mech./hydraulic roller cam 1.437" spring assembly#053040-3 WINDSOR SR. 64cc chamber, roller cam 1.550" spring assembly

WINDSOR JR SPRING SPECS: -1 Hydraulic Flat Tappet Cam 1.250": 100 lbs. @ 1.810", 300 lbs. @ 1.250", coil bind @ 1.200", MAX LIFT@ .570"-2 Mech. Flat Tappet or Hydraulic Roller Cam 1.437": 125 lbs. @ 1.810", 340 lbs. @ 1.210", coil bind @ 1.160", MAX LIFT@ .600"-3 Solid Roller Street Cam 1.550": 200 lbs. @ 1.900", 480 lbs. @ 1.200", coil bind @ 1.150", MAX LIFT@ .700“

WINDSOR SR SPRING SPECS: -1 Hydraulic Flat Tappet Cam 1.250": 100 lbs. @ 1.810", 300 lbs. @ 1.250", coil bind @ 1.200", MAX LIFT@ .570"-2 Mech. Flat Tappet or Hydraulic Roller Cam 1.437": 125 lbs. @ 1.810", 340 lbs. @ 1.210", coil bind @ 1.160", MAX LIFT@ .600"-3 Solid Roller Street Cam 1.550": 200 lbs. @ 1.900", 480 lbs. @ 1.200", coil bind @ 1.150", MAX LIFT@ .700"

HEADS

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MAN O’WAR WINDSOR FORD


INTAKE MANIFOLDSChevy | Ford

MANIFOLDS

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While most manufacturers of small block Chevy intake manifolds have designed theirs around 350 CID engines, World Products has developed a very efficient manifold that’s proven to increase performance by 15-25 horsepower over the competition in larger displacement (383 c.i.d. and up) engines. In addition to out-powering the competition, it’s important to note that these single plane manifolds are designed to operate most efficiently in the 2500-7500 RPM range, yet have the low-end throttle response and torque comparable to a dual plane. Look inside the plenum and you’ll see a “turtle” on the manifold floor that helps bottom-end performance. Models that accommodate a 4150-style carburetor are available for standard SBC (P/N 061040) and “Vortec” (P/N 061041) heads. Also available with a 4500 Dominator-style flange (P/N 061050).

Overall Height 5.625" (4150 flange)6.625" (4150 flange, Vortec-style)6.250" (4500 flange)

Port Size: 2.000" x 1.180"

MOTOWN Small Block ChevyALUMINUM INTAKE MANIFOLDS

4150 Flange

4500 Flange

PART NUMBERS:#061040 MOTOWN, single plane, 4150 flange#061041 MOTOWN, single plane, 4150 flange, raised runner, Vortec (NOTE: While supply lasts)#061050 MOTOWN, single plane, 4500 flange

MANIFOLDS

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MERLIN Big Block ChevyALUMINUM INTAKE MANIFOLDS

4500 Flange

4150 Flange

Because World Products specializes in large displacement engines, it would stand to reason that the company would develop intake manifolds designed for big-inch motors. This is certainly the case with the MERLIN family of intakes, of which several models are intended for use on 500 cubic inch and larger big block Chevy engines. In Fact, an extensive manifold dyno test on a 632 C.I.D. engine showed the MERLIN (p/n 063030) to produce 35 more horsepower than the competition! In addition to out-powering the competition, it’s important to note that the single plane manifolds are designed to operate most efficiently in the 2500 to 7500 RPM range (3500-8500 for dominator manifolds) yet still maintain excellent low-end throttle response. They are also equipped with bosses to accommodate installing nitrous oxide port nozzles. Models that accommodate a 4150-style carb and those for a 4500-style “Dominator” are offered for both standard and tall deck applications

Overall Height 6" (4150 flange, 9.800" deck)6.375" (4150 flange, 10.200" deck)8.125" (4500 flange, 9.800" deck)8.25" (4500 flange, 10.200" deck)

Port Size: 2.300" x 1.670

PART NUMBERS:#063030 MERLIN, single plane, 4150 flange, standard 9.8" deck#063031 MERLIN, single plane, 4150 flange, tall 10.2" deck#063032 MERLIN, single plane, 4500 flange, standard 9.8" deck#063033 MERLIN, single plane, 4500 flange, tall 10.2" deck#063034 MERLIN, single plane, 4150 flange, standard 9.8" deck, MARINE#063035 MERLIN, single plane, 4150 flange, tall 10.2" deck, MARINE#063036 MERLIN, single plane, 4500 flange, standard 9.8" deck, MARINE#063037 MERLIN, single plane, 4500 flange, tall 10.2" deck, MARINE

MANIFOLDS

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MERLIN X Big Block ChevyALUMINUM INTAKE MANIFOLDSTo provide an ample volume of air and fuel for large cubic inch engines, while maintaining good velocity was the challenge facing World's engineering team. Following extensive R&D, the new MERLIN X became a reality. It's ideally suited to 540 and larger displacement, and has proven to deliver excellent power for big 632+ inch motors! Best of all, the MERLIN X is truly versatile, and combines excellent throttle response with solid top-end power. It's designed exclusively for 4500-series carburetors and clearly the best all-around single plane manifold on the market for big block Chevy engines!

Overall Height6.125" (4500 flange, 9.800" deck)6.375" (4500 flange, 10.200" deck)

Port Size2.300" x 1.670“ 4500 Flange

PART NUMBERS:#063040 MERLIN X, single plane, 4500 flange, standard 9.8" deck#063041 MERLIN X, single plane, 4500 flange, tall 10.2" deck#063042 MERLIN X, single plane, 4500 flange, standard 9.8" deck, MARINE#063043 MERLIN X, single plane, 4500 flange, tall 10.2" deck, MARINE

MANIFOLDS

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The Man O’War is the ultimate in high performance aluminum intake manifolds for small block Ford engines, only from World Products, the originator of high performance aftermarket castings! We give you real world technology, for the street or track!

World Products has expanded its offering of intake manifolds for 351 Ford applications to include this highly effective single plane design. It provides outstanding flow for these 9.500” deck applications & is offered in configurations for 4150 series or large 4500 (Dominator) carb flanges and equipped with bosses for nitrous systems.

Overall Height7.500" (4150 flange)

Bosses For Nitrous System9.50" Deck ApplicationsIdeal For Big Cubic Inch Motors

MAN O’WAR Small Block FordALUMINUM INTAKE MANIFOLDS

4150 Flange

4500 Flange

PART NUMBERS:#063415 MAN O'WAR, single plane, 4150 flange, 351 9.5" deck, raised roof#063416 MAN O'WAR, single plane, 4500 flange, 351 9.5" deck, raised roof

MANIFOLDS

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VALVE COVERS

ACCESSORIES

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ACCESSORIES

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VALVE COVERS Small Block Chevy POLISHED ALUMINUM VALVE COVERS

#07090-W World Logo

Tall, Cast Aluminum, Polished,Chevy Small Block.

The perfect finishing touch to your engine! These Cast Aluminum Valve Covers feature WORLD, MOTOWN & SPORTSMAN logos. They are CNC machined in the center of a black inset. Tall design allows plenty of clearance for high performance valvetrains and feature a Polished finish.

#07090-415W 415 World Logo

Tall, Cast Aluminum, Polished,Chevy Small Block

#07090-427W427 World Logo

Tall, Cast Aluminum, Polished, Chevy Small Block



#D070830S 454 World Limited Edition Logo Tall, Cast Aluminum, Polished,

Chevy Small Block

#07090-M Motown Logo


#070810 Sportsman/World Logo


#070820 #070820- Motown Valve CoversTall, Cast Aluminum, Polished,

Chevy Small Block

#070830 Hardcore /Motown Logo


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VALVE COVERS Big Block Chevy POLISHED ALUMINUM VALVE COVERS

#07093-W World Logo

Tall, Cast Aluminum, Polished, Chevy Big Block

The perfect finishing touch to your engine! These Cast Aluminum Valve Covers feature WORLD & MERLIN logos. They are CNC machined in the center of a black inset. Tall design allows plenty of clearance for high performance valvetrains and feature a Polished finish.

#07093-509W 509 World Logo


#07093-540W 540 World Logo




#07093-632W 632 World Logo


#07093-M Merlin Logo


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VALVE COVERS Small Block Ford POLISHED ALUMINUM VALVE COVERS

#07095-W World Logo

Tall, Cast Aluminum, Polished, Ford Small Block

The perfect finishing touch to your engine! These Cast Aluminum Valve Covers feature WORLD & MAN O’WAR logos. They are CNC machined in the center of a black inset. Tall design allows plenty of clearance for high performance valvetrains and feature a Polished finish.

#07095-302W 302 World Logo


#07095-347W 347 World Logo




#07095-371W 371 World Logo


#07095-371W 427 World Logo


#07095-460W 460 World Logo


#07095-M Man O’War Logo


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