Forged Crank, Powered Metal Rods, Hypereutectic Aluminum Pistons

With it's 4-Bolt main block and forged steel crankshaft, The SP/ZZ Partial Engine is a proven winner. Used as the foundation for thousands of SP and ZZ crate engines including the legendary ZZ6, The SP/ZZ partial engine has a long history of performance and durability. Its forged LT4 powdered metal connecting rods and light flat top hypereutectic pistons ensure high RPM performance. Provisions for a steel roller camshaft and one piece rear main seal are "state of the art".

Specifications:

Displacement: 5.7L 350 CID
Bore x Stroke: 4.000” x 3.480”
Block: Cast iron, 4 Bolt main, With 1 piece Rear main Seal
Crankshaft: Forged 1053 3.480” Stroke
Connecting Rods: GM Powdered Metal 5.700”
Pistons: Hypereutectic Aluminum, flat top , With offset pins. Same piston that is used in Corvette LT1 engines.
Balance Front: External
Balance Rear: External

Head Size / Compression Ratio:

58cc--10.0:1
62cc--9.8:1
64cc--9.6:1

Notes: Does NOT include: any valvetrain components, timing chain, oil pump, oil pan, timing cover, balancer or flywheel.

Warranty:GM limited 12 month parts only warranty

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Small Block Chevy 350CID Short Block Engine 12670966

Product Information

  • $2,370.69


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