Superseded Part Number: 12499529
Chevrolet Performance 350 290HP Long Block Engine Includes:
• Fully GM assembled long block
• Stamped steel OE valve covers
• Oil pump, pick-up and oil pan
• Front timing cover
• 6” & 8” timing pointers for use with 2 O’clock mark balancers
• Block is drilled for drivers and/or passenger side oil dipsticks, plugs are included to plug unused dipstick tube hole.
GM Chevy 350 Long Block Engine does NOT Include:
• Oil Dipstick & Tube
• Mechanical Fuel Pump Push Rod
• Oil Filter Adapter and Bolts
• Harmonic Balancer Bolt & Washer
Note: This engine is shipped dry and requires oil system to be primed and valvetrain adjusted prior to initial start up. Harmonic balancer used will need to be checked for exact TDC (top dead center) location and timing pointer modified/adjusted to correct location.
General Motors limited 2 year / 50,000 mile parts & labor warranty. Click Here to view or download warranty form.
The 350/290 HP is the most popular Chevrolet Performance Parts crate engine because no one can deliver such performance for this kind of value. Chevrolet Performance Parts believes that everyone should be able to afford a high quality GM V-8 without going broke. The 350/290 is an answer to those car crafters who demand maximum return on their money. But, just because it's affordable, don't think that it's a stone. The 350/290 delivers 308 hp @ 5100 rpm and a solid 347 lb. -ft. of torque at 3900 rpm. With those kinds of numbers, it's the perfect replacement engine for the millions of GM vehicles that shipped with a small-block.
Power: 308 HP @5100 RPM, 347 ft. lbs. of torque @ 3900 RPM
Displacement: 350 CID, 5.7L
Bore x Stroke: 4.00” x 3.48”
Compression Ratio: 8.0:1
Recommended Fuel: 87 Octane
Block: Cast Iron, 2 piece rear seal, 4-bolt main caps
Crankshaft: Nodular Iron
Connecting Rods: Powdered Metal Steel
Pistons: Cast Aluminum
Camshaft: Hydraulic Flat Tappet
Cam Lift: .450” Intake / .460” exhaust
Cam Duration @ .050”: 222deg. Intake / 222 deg. Exhaust
Lobe Separation: 112 Degree
Cylinder Heads: Cast Iron, 3/8” pressed in rocker studs
Combustion Chamber: 76cc
Valves: .194” Intake/ 1.50” Exhaust
Rocker Arms: Stamped Steel, 1.5:1 Ratio
Maximum GM Recommended RPM: 5100
Ignition Timing: Base 10 degrees BTDC, 32 degrees total
Cylinder Head Notes: 7 Bolt style Exhaust Flange Standard, 85' and prior intake manifold bolt pattern. Perimeter bolt style Valve Covers. This head is very similar to the old #882 castings from the 1970's.
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