Comp Cams ROCKER ARMS,FS/FW 1.6 7/16 ULTRA PRO MAG Turbo Boost Controller Let your BMW's true personality

Let your BMW's true personality shine - Order now to experience the perfect fusion of motorsport aesthetics and cutting-edge technology that defines the ultimate M3/M4 upgrade

no sanding or priming needed before installation

Direct replacement design — Engineered to OEM contours for perfect panel alignment

perfectly fitting between the rear bumper cutouts

High-Quality Materials - Premium construction ensures lasting durability and professional-grade appearance

Comp Cams ROCKER ARMS,FS/FW 1.6 7/16 ULTRA PRO MAG Turbo Boost Controller Let your BMW's true personalityUltra 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