Gibson Shorty Headers - 1.625 in Primary - Stock Collector Flange - Small Block Chevy - GM Fullsize SUV / Truck 2002-12 - Pair Swivel Hose Ends It is supplied with a

It is supplied with a 2

Kit is for list numbers R50419

Ignition Data Acquisition Accepts Multiple Runs

Factory length for '71-'79 Oldsmobile 400-455

Stock Bore Spool in 3

Gibson Shorty Headers - 1.625 in Primary - Stock Collector Flange - Small Block Chevy - GM Fullsize SUV / Truck 2002-12 - Pair Swivel Hose Ends It is supplied with aEvery 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