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.
|Make & Model||Year Range||Application Details|
|Chevrolet Chevelle||1964-1977||C-66-O (Polished)|
|Chevrolet El Camino||1964-1977||C-66-O (Polished)|
|Chevrolet El Camino||1978-1988||C-66-O (Polished)|
|Chevrolet Malibu||1978-1988||C-66-O (Polished)|
|Chevrolet Monte Carlo||1970-1977||C-66-O, Polished Finish|
|Chevrolet Monte Carlo||1978-1988||C-66-O (Polished)|