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OPGI Price: $399.99
Part Type: (P) High Performance, designed to improve performance
Sold As: EACH
2017 Chevelle Catalog Page: 551
C-66-R is made to fit 396-502 non-EGR engines with rectangular port heads. C-66-O is made to fit 396-502 non-EGR engines with oval port cylinder heads. These cast aluminum manifolds have a low profile design for hood clearance, balanced firing order port runner arrangement and a consistent part-throttle operation with horsepower and torque gains. Kit is made of aluminum and stainless steel with brass parts and spherical rod ends.