ZZ4 350 HO Partial Engine Assembly
Partial Engine Assemblies from Chevy Performance
The Chevrolet Performance ZZ4 350 HO Short Block Engine Assembly comes with a four-bolt main block, forged steel crankshaft, forged powdered metal connecting rods and flat top hypereutectic pistons with offset pins. This Chevy partial engine provides a solid foundation for your next high-RPM performance project.
12561723 Chevrolet Crate Motor
The ZZ5 is based on the popular ZZ4 partial engine assembly and includes the forged steel crankshaft, LT1-style high-silicon pistons and connecting rods.
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