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SP/ZZ Partial Engine Assembly

Brand: Chevrolet Performance

Part Number: 12670966




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SP/ZZ Partial Engine Assembly (Short Block)

This Chevrolet Performance short block is the foundation for the SP350 and ZZ6 Small-Block Chevy crate engines. This partial engine assembly includes a shot-peened forged steel cranksahft, high-silicon pistions and powdered metal connecting rods. Add your own heads, cam and intake to build your ideal SBC motor!

SP/ZZ Partial Engine Assembly (Short Block)

Built with a cast-iron, four-bolt main block with one-piece rear main seal. 4.000 bore with a 3.480 stroke forged steel crank. Engine is externally balanced and would require a proper flywheel or flexplate.



(Supersedes old P/N 12561723)

Chevrolet Performance Partial Engines include a 12-month limited warranty.

Click here for more detailed warranty information.