Long Tube Headers for 67-69 F Body/68-74 X Body 396-502 BBC 2.125in Primary D319 neutral-safety-switches 15/8 V 1976 - 1977

15/8 V 1976 - 1977 Pontiac Grand Prix / 1976 - 1978 Pontiac Grand Safari / 1976 Pontiac LeMans Base 3

New for 2018 Mustang GT and Ecoboost models

Vastly Improves Nitrous Flow

5 L4 1987 - 1988 Pontiac Firebird 173/2

Long Tube Headers for 67-69 F Body/68-74 X Body 396-502 BBC 2.125in Primary D319 neutral-safety-switches 15/8 V 1976 - 1977Overview: 67 69 F Body 68 74 X Body BBC 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. This fitment is tailored for popular aftermarket engine swap kits. Doug's engine swap headers were developed to solve common