Specifications »

A383475

Description »

Serious horsepower from a Chevy small block. Fully balanced, ARP fasteners, with balancer & flywheel, 2.055”/1.6” stainless steel valves. This engine is ready to go. Dyno-tested with dual plane intake manifold, 850 cfm carb. , 35 total timing, Vacuum 10”@900 RPM, 8.5”@ 700RPM. Slightly lopey idle. 1” 4-hole spacer. internal balance. Must use metonized steel distributor gear, not legal for sale on pollution controlled vehicles, boats or equipment.

Engine Details »

Horsepower: 475 hp
Torque: 475
Balanced: Dynamically
Bore x Stroke: 4.03” x 3.75”
Compression Ratio: 10.3:1
Recommended Fuel: 92 Octane
Maximum Rec. RPM: 5800
Block: 4 Bolt Iron
Crankshaft: Nodular Iron
Pistons: Hyper-eutectic Coated Skirt
Connecting Rods: Forged I Beam Steel
Rockers: Full Roller 1.6:1
Camshaft: Hyd Roller
Lift intake/exhaust: .543"/.545"
Dur.@ .050” int/exh: 234 / 240
Cylinder Heads: Aluminum Hand Worked
Manifold: Air Flow Dual Plane
Warranty: 1 Year

P/N: 383475

Chevrolet 383 CID/475HP

PN: 383475

Specifications »