Engine Rocker Arm and Shaft Assembly 1999 Pontiac Firebird This bolt-on exhaust system features

This bolt-on exhaust system features mandrel-bent 2

cables and wire harnesses from damage caused by exposure to extreme heat

When The Shifter Handle Is Pulled Into Low Gear

bump down and rollout

Engine Rocker Arm and Shaft Assembly 1999 Pontiac Firebird This bolt-on exhaust system featuresRid your engine of internal friction with roller tipped rocker arms. The race proven roller tip not only unleashes horsepower, it also lengthens valve train component life and reduces wear and tear on valve stem tips. Precision machined to insure consistency and ratio accuracy. 16 extruded aluminum roller rockers, hardened shaft, and hardware included.