World Products offers big block performance in a small block package with its 454 c.i.d. MOTOWN engines. With 4.250” 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!
FREE freight on select World Products crate engines!
Crate engines are shipped freight paid with a common carrier within the 48 states (not in Alaska or Hawaii). They have to be shipped to a business address to receive free freight. It can be shipped to a residential address for a $60 fee. Please be sure to provide a business name and address in the shipping field if going to a business.
This item is garage sale priced because it has been discontinued from our current product line.
NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS
Power (10.5:1 compression ratio):
- 600 hp (hydraulic roller cam)
- 600 hp (solid roller cam)
- Block: World Motown cast iron, billet main caps
- Crankshaft: Eagle 4340 crankshaft
- Balancer: ATI
- Connecting Rods: Eagle H-beam 4340 L-19 bolts
- Pistons: Mahle coated pistons
- Piston Rings: Total Seal
- Compression Ratio: 10.5:1
- Bore/Stroke: 4.250'' x 4.000''
- Bearings: Clevite H-bearings
- Camshaft: Hardcore solid roller lifter cam
- Timing Chain: Hardcore double roller
- Cylinder Heads: World Motown 220 aluminum
- Valves: Manley Severe Duty 2.080'' Int/1.600'' Exh
- Valve Springs: Hardcore
- Retainers and Valve Locks: Manley
- Valve Seals: Hardcore
- Rocker Arm Studs: Manley
- Pushrods: Hardcore 4340 1-piece
- Pushrod Guide Plates: Hardcore
- Rocker Arms: Scorpion aluminum roller rockers
- Oil Pan: Moroso
- Oil Pump: Melling/Federal Mogul
- Assembly Components: Stainless hardware
- Intake Manifold: Motown single plane
- Carburetor: Hardcore 1050 cfm 4500 type
- Distributor: MSD
- Fuel: Pump gas
- Warranty: 2 year/24,000 miles
Warranty: 2 year/24,000 miles