Long Tube Headers for 78-87 GM G Body 265-400 SBC 1-3/4in Primary D330 awabsrear-abs 3 V8 1968 GMC C25/C2500

3 V8 1968 GMC C25/C2500 Pickup 327/5

3L | 87-87 V10 4

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Long Tube Headers for 78-87 GM G Body 265-400 SBC 1-3/4in Primary D330 awabsrear-abs 3 V8 1968 GMC C25/C2500Overview: 78 87 GM G 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 fitment issues