World Products offers big block performance in a small block package with its 454 c.i.d. MOTOWN engines. With a4.250” bore and 4.000” stroke, it can deliver serious horsepower and torque. They’re based on the newly designed MOTOWN II cast iron block and MOTOWN 235cc aluminum heads.

Complete engines are offered in a three configurations; a hydraulic roller cam carbureted engine, one with EFI, or a solid roller cam engine with a Dominator style carburetor. They are all conservatively dyno rated at 600 horsepower, and backed by a 2 year/24K mile limited warranty. An optional upgrade to CNC ported heads is good for another 30 horsepower!

CLICK HERE TO LEARN HOW TO GET YOURS USING OUR NEW ENGINE BUILDER PROGRAM

Engine Block: Motown II cast iron
Deck Height: 9.025”
Bore/Stroke: 4.250” x 4.000”
Main Caps: 4-bolt nodular splayed
Cylinder Heads: Motown 235cc aluminum
Valves: Manley stainless steel
Intake Manifold: Motown
Carburetor: AED (custom spec)
Distributor: MSD E-Curve
Timing Chain: Double roller
Crankshaft: 4340 Eagle/Scat internally balanced
Connecting Rods: 4340 Eagle/Scat
Pistons: Manley/Mahle
Gaskets: Felpro
Internal Hardware: ARP
Exterior Hardware: Totally Stainless
Oil Pan: Moroso
Warranty: 2 year/24,000 miles

Compression Ratio
10.5:1