Sold As One Set of 16 Pieces 1996-pontiac-firebird-esi1593369 while a new secondary shaft

while a new secondary shaft throttle stop adjustment provides even more precise idle airflow adjustment and balance

eliminating differential movement by replacing the soft rubber OE bushings with four solid two-piece aluminum bushings

NexTek® springs resist pressure loss and valve-train degradation even in the most demanding race conditions

allowing up to approximately 4

Fits Ford 289 - 302 (5

Sold As One Set of 16 Pieces 1996-pontiac-firebird-esi1593369 while a new secondary shaftThe super affordable way to reduce internal valve train friction and valve stem wear. Extra long slot eliminates rocker to stud interference when using high lift cams. 16 rockers, anti gall grooved balls and nuts per package.