Small Block Crate Engine by Pace Performance 390 HP Roller Cam 4 Bolt Main GMP-19432779-4

Pace Performance Chevy 350 390hp/420ft lbs tq Long Block Engine:

Warranty:
General Motors limited 1 year parts only warranty. Click Here to view or download warranty form.

Pace Performance "Brand New" 350CID 390HP

This GM 350CID engine uses a brand new (not remanufactured) GM 12530283 350cid 4 bolt main long block. We have preinstalled GM's NEW "357" roller cam to make this long block the perfect foundation for your muscle car or truck!

Specifications:
Power: 390 HP @5800 RPM, 420 ft. lbs. of torque @ 4000 RPM
Displacement: 350 CID, 5.7L
Bore x Stroke: 4.00” x 3.48”
Compression Ratio: 9.4:1
Recommended Fuel: 92 Octane
Block: Cast Iron, 1 piece rear seal, 4-bolt main caps
Crankshaft: Nodular Iron
Connecting Rods: Powdered Metal Steel
Pistons: Hypereutectic
Camshaft: Hydraulic Roller
Cam Lift: .473” Intake / .473” exhaust
Cam Duration @ .050”: 215 deg. Intake / 223 deg. Exhaust
Lobe Separation: 108 Degree
Cylinder Heads: Vortec Cast Iron, 3/8” pressed in rocker studs
Combustion Chamber: 64cc
Valves: 1.940” Intake/ 1.500” Exhaust
Rocker Arms: Stamped Steel, 1.5:1 Ratio
Valve Springs: 10212811
Balance: Internal
Maximum GM Recommended RPM: 5800
Ignition Timing: Base 10 degrees BTDC, 32 degrees total

Block Notes: Clutch Z-Bar hole is drilled and tapped for manual trans applications. Engine mount holes drilled and tapped for both early-style front motor mount brackets and the normal side motor mounts.