For those who basically want a fresh motor, but want to use their existing intake system, ignition, etc., World Products offers partial engines. You’ll get an all-new, race proven Man O'War block with 4-bolt splayed caps, 4340 forged steel crank and connecting rods, forged aluminum pistons, new cylinder heads with Manley stainless steel valves, and a host of other top grade components. The rotating assemblies are electronically balanced and the long block assembled in World’s race shop environment.
TECHNICAL SPECS
Engine Block: Man O'War cast iron, Man O'War aluminum
Deck Height: 8.200” (371), 9.500" (427, 460)
Bore/Stroke: 4.125" x 3.500" (371), 4.125” x 4.000” (427), 4.155" x 4.250" (460)
Main Caps: 4-bolt nodular splayed
Cylinder Heads: Windsor Sr. 200cc iron (Stage 1), Man O'War 18° 225cc aluminum (Stage 2)
Valves: Manley stainless steel
Intake Manifold: Man O'War
Carburetor: AED (custom spec)
Distributor: MSD Ready to Run
Timing Chain: Double roller
Crankshaft: 4340 Eagle/Scat internally balanced
Connecting Rods: 4340 Eagle/Scat
Pistons: Manley/Mahle
Gaskets: Fel-Pro
Internal Hardware: ARP
Exterior Hardware: Totally Stainless
Oil Pan: Moroso (Stage 2 only)
Compression Ratios
371 Stage 1: 9.5:1
427 Stage 2: 10:1
460 Stage 2: 11.1:1
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