Long Tube Headers for 66-70 Ford 390-428 FE Motor 2in Primary D627 racepak Digressive valving: Instantly adapts to

Digressive valving: Instantly adapts to changing surface conditions

7 V8 1992 GMC C2500 Suburban 1985 - 1995 GMC C3500 350/5

distributor installation and cylinder leak down

Infiniti J30 (1993-1997)

Long Tube Headers for 66-70 Ford 390-428 FE Motor 2in Primary D627 racepak Digressive valving: Instantly adapts toOverview: 66 70 Ford 390 428 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