Comp Cams ROCKER ARMS, CS 1.6 7/16 ULTRA PRO MAG Forced Induction Extended acorn design sits flush

Extended acorn design sits flush with most aftermarket wheel styles

Plug in and wire per your vehicle's factory schematic

forged full-counter crankshaft

5" Air Supply Hose (10 Feet)

Comp Cams ROCKER ARMS, CS 1.6 7/16 ULTRA PRO MAG Forced Induction Extended acorn design sits flushThe Ultra Pro MagnumT Roller Rocker Arms for Chevy V8 265 400 cid (SBC) applications 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. These rocker arms feature a 7 16" stud diameter and 1. 6 ratio. The 8650 chromemoly material and arched, web like design deliver increased strength and rigidity while still reducing the moment of inertia and