Drake Muscle Cars Shorty Headers - 1-1/2 in Primary - 2-1/2 in Collector - Silver Ceramic - Ford Fullsize SUV 1966-77 (Pair) H760C30XL pre-loader requires 3" I

pre-loader requires 3" I

Black / Gray

AiM SmartyCam

but you will need to fabricate a cable bracket

250" exhaust length for Big Block Chevy

Drake Muscle Cars Shorty Headers - 1-1/2 in Primary - 2-1/2 in Collector - Silver Ceramic - Ford Fullsize SUV 1966-77 (Pair) H760C30XL pre-loader requires 3" IBolt on horsepower and torque with these short tube headers. These headers are designed to fit 66 77 Broncos with 289 302 motors with ample clearance for most modified suspensions. Engineered to make strong power and torque throughout the RPM range with smooth mandrel bent 1 1 2 primaries and 2. 5 collectors. Extra thick 3 8 laser cut flanges to guard against warping and heavy wall 16 gauge tubing for maximum durability. Silver ceramic coated to