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With its four bolt main block, and forged steel crankshaft, the ZZ partial engine is a proven winner. Used in thousands of ZZ4 and 385 Fast Burn crate engines and the legendary ZZ430, the ZZ partial engine assembly has a long history of durability and performance. Its forged powdered metal connecting rods, steel crank, 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.
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Technical Notes: Does not include camshaft, timing chain, sprockets, front cover, oil pump, oil pan, balancer, or flex plate.
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