Long Tube Headers for 64-67 GTO 326-455 1-3/4in Primary Ceramic Coated D564 fuel-pump Series California Oxygen Sensor Location

Series California Oxygen Sensor Location Pre and Post Converter Outlet Diameter (In

Corrosion Resistance: Finished with a durable powder coat

Also fits 1965-up GM big block (internally balanced) V8 engines with two piece rear main seal

This direct-fit catalytic converter is designed to fit the 1988-1991 Pontiac Grand Am

Long Tube Headers for 64-67 GTO 326-455 1-3/4in Primary Ceramic Coated D564 fuel-pump Series California Oxygen Sensor LocationOverview: 64 67 GTO 326 455 Long Tube Silver Ctd Long tube headers provide the greatest increases in horsepower and torque across the entire RPM spectrum. The choice of racers worldwide, Doug's long tube headers are designed for the car owner who wants maximum power and the highest quality header on the market. Features: 3 8" Thick machined flanges to prevent warping Precision formed long transition collectors and long tube design reduces backpressure