Chevrolet Performance 350 (5.7) 290HP 4-bolt Engine up to 1985

Got a tired old Chevy that needs a lift? ...then this new Chevrolet Performance 350" 5.7L 290HP V8 Engine Long Block crate engine is just right for you !

This 350/290 engine delivers approximately 290 hp at 5,100 rpm and a solid 326 ft.-lbs. of torque at 3,750 rpm.

It is a perfect replacement engine for the millions of GM vehicles that shipped with a small block.

Bore x Stroke: 4.00 inch x 3.48 inch
Compression: 8.0:1
Block: Cast iron, four-bolt intermediate mains
Cylinder Head: Cast iron
Valve Diameter (Intake/Exhaust): 1.94"/1.50"
Chamber Volume: 76cc
Crankshaft: Nodular iron, 2 piece rear seal
Connecting Rods: Forged, powdered metal, 3/8” bolts
Pistons & Rings: Cast aluminum
Camshaft: Hydraulic Flat Tappet
Lift: .450" intake, .460" exhaust
Duration: 222° intake, 222° exhaust @ .050" tappet lift
Centerline: 114° ATDC intake, 114° BTDC exhaust
Rocker Arm Ratio: 1.5:1
Timing Chain: 8 mm single roller design
Oil Pan: 4-quart which has the “double bump out” for both right-hand and left-hand dipsticks
Recommended Oil: 10W30 synthetic motor oil (after break in)
Oil Filter: Short design M&F # 421402 or long design M&F # 421217 or equivalent
Valve Lash: 1/8 turn down from zero lash
Maximum Engine Speed: 5100 RPM
Spark Plugs: AC Delco R45TS (M&F # 007293)
Spark Plug Gap .045”
Spark Timing: 32° maximum @ 3000 RPM
Firing Order: 1-8-4-3-6-5-7-2

Information may vary with application. All specifications listed are based on the latest production information available at the time of printing!

This engine is not designed for use with OEM fuel injection, nor intended to be used in any marine applications.

Must be shipped by Truck. Shipping cost to be quoted.