SP/ZZ Partial Engine
GM OEM : 12670966
Nº d'article: gmc12670966
PRODUCT DETAILS
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 histo