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Chevrolet Performance 350 C.I.D. Base Engine Assemblies 12681429
Description
Gen 1 5.7L crate engines are excellent entry-level performance engines for older cars, trucks, and street rods. All of the parts in these engines are brand new. These Chevrolet Performance Goodwrench 5.7L/350 c.i.d. engines have approximately 8.5:1 compression with a horsepower rating of 249 hp and 304 ft.-lbs. of torque. These crate engines have a 4.00 in. bore and a 3.48 in. stroke with 4-bolt mains and 2-piece rear main seals.
Camshaft specifications are .390 in. intake lift and .410 in. exhaust lift. The open duration is 195 degrees intake and 202 degrees exhaust at .050 in. with a 112 degree lobe separation. The cylinder heads are cast iron with 1.94 in. intake valves and 1.50 in. exhaust valves, 76cc combustion chambers, and 7-bolt style exhaust flanges. These engines include painted valve covers, oil pans, and timing covers. They are drilled for both left hand and right hand dipsticks.
* 1975-78 Chevy/GMC pickup (C1)
* 1975 Chevy/GMC Blazer, Jimmy (C1)
* 1975 Chevy/GMC van (G1)
* 1978-80 Chevy/GMC van (G2,3)
* 1979-85 Chevy/GMC pickup, Suburban, Blazer, Jimmy (K1)
* 1979-80 Chevy/GMC pickup, Suburban, Blazer, Jimmy (CK1)
* 1979-80 Chevy/GMC Suburban (CK 1, 2)
* 1979-85 Chevy/GMC Suburban (CK 1)
* 1980-85 Chevy/GMC van (G1, 2, 3)
* 1981-82 Chevy/GMC pickup (CK1)
* 1983-85 Chevy Caprice Classic, Impala (B)
* 1973-80 Chevy Corvette (Y)
* 1984-85 Pontiac Parisienne (B)
Actual Engine Displacement:5.7L/350
Engine Assembly Style:Long block
Crate Engine Cylinder Head Material:Cast iron
Assembled:Yes
Engine Balance:Internal
Cam Style:Hydraulic flat tappet
Rear Main Seal Style:2-piece
Intake Manifold Included:No
Cylinder Heads Included:Yes
Carburetor Included:No
Throttle Body Included:No
Distributor Included:No
Oil Pan Included:Yes
Valve Covers Included:Yes
Timing Cover Included:Yes
Water Pump Included:No
Harmonic Balancer Included:No
Flexplate Included:No
Flywheel Included:No
Air Cleaner Included:No
Spark Plugs Included:No
Spark Plug Wires Included:No
Chevrolet Performance 350 C.I.D. Base Engine Assemblies 12681429 - Part number: NAL-12681429 - for American Cars - delivery to the UK and the EU
Manufacturer part number: 12681429 - Chevrolet Performance 350 C.I.D. Base Engine Assemblies 12681429 engine-complete-assembly-blueprint-engines
Package dimensions
Width: 30.00 inch
Height: 10.00 inch
Depth: 10.00 inch
Weight: 50.00 lb