Gibson Shorty Headers - 1.625 in Primary - Stock Collector Flange - Small Block Chevy - GM Fullsize SUV / Truck 2002-12 - Pair Pacer Performance These new tower a-frame mounts

These new tower a-frame mounts are slotted and inset to accept different position keys allowing for simple upper a-frame adjustment

3/4 in-30 Spline

EZ-EFI Dual Quad

They are also designed for the top and side plates and forced air accessories of the BR1

5 thread and a2-5/8" standard O-Ring

Gibson Shorty Headers - 1.625 in Primary - Stock Collector Flange - Small Block Chevy - GM Fullsize SUV / Truck 2002-12 - Pair Pacer Performance These new tower a-frame mountsEvery Gibson Performance Header is Dyno tuned and engineered to deliver more usable horsepower and torque at low and mid range RPM highway speeds. Improves engine's ability to breathe and cooler operating engine temperature. Designed as a direct replacement for the factory manifolds, using the stock crossover pipe. They are well suited for lowered and raised vehicles, street and off road. 50 State Street legal. Meets EPA and CARB requirements. Will