Long Tube Headers for 67-69 F Body/68-74 X Body 265-400 SBC 1-7/8in Primary D323 thermostats-and-parts 7L V8 1973 - 1991

7L V8 1973 - 1991 Chevrolet Blazer 350/5

Installation Tip: Vapor line connects to drop hose at rear of engine to canister near the tank

0L V8 1975 - 1976 Ford Elite Base 400/6

1978-1982 Buick LeSabre

Year Make Model Submodel 2015-2018 BMW M3 Base 2015-2020 BMW M4 Base

Long Tube Headers for 67-69 F Body/68-74 X Body 265-400 SBC 1-7/8in Primary D323 thermostats-and-parts 7L V8 1973 - 1991Overview: 67 69 F Body 68 74 X Body SBC 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