COMP Cams Rocker Arm GM LS1 1.8 3/8 Ultra - 1675-1

This Ultra Pro Magnum rocker is made of black oxide coated 8650 chromemoly steel that can withstand up to 850 lbs of spring pressure. Featuring a 1.8 ratio, this rocker fits LS1/2/6 with a 3/8"...

COMP Cams Rocker Arms FS/FW 1.6 3/8 Ultra - 1634-16

Ultra Pro Magnumâ„¢ Roller Rocker Arms not only live up to the lofty standards of the original Pro Magnums but they also take Stud mount Rocker performance, stability and value to a whole new level...

COMP Cams Rocker Arm FS/FW 1.6 3/8 Ultra P - 1634-1

Ultra Pro Magnumâ„¢ Roller Rocker Arms not only live up to the lofty standards of the original Pro Magnums but they also take Stud mount Rocker performance, stability and value to a whole new level...

COMP Cams Rocker Arms FS/FW 1.6 7/16 Ultra - 1632-8

Ultra Pro Magnumâ„¢ Roller Rocker Arms not only live up to the lofty standards of the original Pro Magnums but they also take Stud mount Rocker performance, stability and value to a whole new level...

COMP Cams Rocker Arms FS/FW 1.6 7/16 Ultra - 1632-16

Ultra Pro Magnumâ„¢ Roller Rocker Arms not only live up to the lofty standards of the original Pro Magnums but they also take Stud mount Rocker performance, stability and value to a whole new level...

COMP Cams Rocker Arm FS/FW 1.6 7/16 Ultra - 1632-1

Ultra Pro Magnumâ„¢ Roller Rocker Arms not only live up to the lofty standards of the original Pro Magnums but they also take Stud mount Rocker performance, stability and value to a whole new level...

COMP Cams Rocker Arms FS/FW 1.6 3/8 Ultra - 1631-8

Ultra Pro Magnumâ„¢ Roller Rocker Arms not only live up to the lofty standards of the original Pro Magnums but they also take Stud mount Rocker performance, stability and value to a whole new level...

COMP Cams Rocker Arms FS/FW 1.6 3/8 Ultra - 1631-16

Ultra Pro Magnumâ„¢ Roller Rocker Arms not only live up to the lofty standards of the original Pro Magnums but they also take Stud mount Rocker performance, stability and value to a whole new level...

COMP Cams Rocker Arm FS/FW 1.6 3/8 Ultra - 1631-1

Ultra Pro Magnumâ„¢ Roller Rocker Arms not only live up to the lofty standards of the original Pro Magnums but they also take Stud mount Rocker performance, stability and value to a whole new level...

COMP Cams Rocker Arms FC FF 1.7 7/16 Ultra - 1630-16

Ultra Pro Magnumâ„¢ Roller Rocker Arms not only live up to the lofty standards of the original Pro Magnums but they also take Stud mount Rocker performance, stability and value to a whole new level...

COMP Cams Rocker Arm FC FF 1.7 7/16 Ultra - 1630-1

Ultra Pro Magnumâ„¢ Roller Rocker Arms not only live up to the lofty standards of the original Pro Magnums but they also take Stud mount Rocker performance, stability and value to a whole new level...

COMP Cams Rocker Arms348/409 Chevy 1.7 - 1629-8

Ultra Pro Magnumâ„¢ Roller Rocker Arms not only live up to the lofty standards of the original Pro Magnums but they also take Stud mount Rocker performance, stability and value to a whole new level...