COMP Cams Ultra Pro Magnum Full Roller Rocker Arm - 7/16 in Stud Mount - 1.52 Ratio - Chromoly - Small Block Chevy / GM V6 - Set of 8 10211C This donut shaped 360 degreee

This donut shaped 360 degreee Helmet Support is used in all pro classes

four screws and two mounting brackets

Helps To Prevent Flex

These popular Hyper-Flex(TM)performance polyurethane transmission-to-differential torque arm bushings for Camaros reduce wheel hop in acceleration

Includes one set of return springs

COMP Cams Ultra Pro Magnum Full Roller Rocker Arm - 7/16 in Stud Mount - 1.52 Ratio - Chromoly - Small Block Chevy / GM V6 - Set of 8 10211C This donut shaped 360 degreeeThe Ultra Pro Magnum Roller Rocker Arms for Chevy V8 265 400 applications take stud mount rocker performance, stability and value to a whole new level. These rocker arms feature a 7 16" stud diameter and 1. 52 ratio. 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