GM Performance Crate Engine, 357 HP, Cast Iron Block, Cast Iron Vortec Heads, Chevy, 5.7L, Each (PART #GMP-19433032)

If it's affordable performance you're looking for to power your project vehicle, GM Performance's SP350/357 Base Chevrolet crate engine delivers! With 357 hp and a deep reserve of low-rpm torque, it quickly reminds you why Chevrolet's original 350 small block has been the industry benchmark for decades. The SP350/357 leverages the strength of a strong rotating assembly secured in a brand-new block with 4-bolt mains, along with economical Vortec iron cylinder heads. A roller camshaft optimizes driveability and airflow capability. It all adds up to a 24 hp gain over CPP's 350 HO crate engineaand a great, affordable alternative to rebuilding. This base crate engine package includes an assembled long block, including the oil pan. You finish it off your way, with the ignition system, induction system and additional accessories.

SPECIFICATIONS:

Engine: SP350/357 Base

Horsepower: 357 hp at 5500 rpm

Torque: 407 lbs.-ft. at 4000 rpm

Compression Ratio: 9.0:1 nominal

Block: Cast iron with 4-bolt main caps, 4.000 in. bore

Crankshaft: Cast Nodular Iron

Heads: Cast Iron; 64cc Chambers

Valves: 1.940 in./1.500 in.

Camshaft Lift: 0.473 in./0.473 in. Hydraulic Roller

Duration at 0.050 in.: 215 degree/223 degree

INSTALLATION NOTES:

• Use the Holley 670 cfm 4-barrel carburetor P/N 19170092 to achieve the listed horsepower and torque
• Requires intake manifold, carburetor, distributor, spark plug wires, and water pump to complete assembly
• Requires feed line from fuel pump to carburetor
• Not intended for marine applications
• Balancer and flexplate are NOT included