Comp Cams ROCKER ARMS CS TW 1.52 3/8 ULTRA PRO MAG FR SPORT If using the 60 tooth

If using the 60 tooth option

Base 2008 - 2011 Subaru Impreza Outback Sport

750HP EFI - Naturally Aspirated

S 1979 Oldsmobile Delta 88 Base

Comp Cams ROCKER ARMS CS TW 1.52 3/8 ULTRA PRO MAG FR SPORT If using the 60 toothUltra Pro MagnumT Roller Rocker Arms not only live up to the lofty standards of the original Pro MagnumsT, but they also take stud mount rocker performance, stability and value to a whole new level. The 8650 chromemoly material and arched, web like design deliver increased strength and rigidity while still reducing the moment of inertia and optimizing the dynamic balance. A unique black oxide exterior finish helps prevent corrosion and increases