PRW Industries Pro Series Billet Aluminum Roller Rocker Arm - 7/16 in Stud Mount - 1.52 Ratio - Black - Pontiac V8 (Set of 16) 5.5129G 5" - Short - Replaces

5" - Short - Replaces Chevrolet OEM (3990914/3988989/3777409/3989488) - 2 pc

Mainly run on dirt tracks with a

142 Supercharger

Works with many stock mounting brackets and Tuff Stuff universal brackets

Good street/strip cam

PRW Industries Pro Series Billet Aluminum Roller Rocker Arm - 7/16 in Stud Mount - 1.52 Ratio - Black - Pontiac V8 (Set of 16) 5.5129G 5" - Short - ReplacesProduct Description: Rocker Arm Pro Series Billet 7 16 in Stud Mount 1. 52 Ratio Full Roller Aluminum Black Anodized Pontiac V8 Set of 16 PRW Industries produces engine components for racing applications such as rocker arms, valve covers and main caps to name a few. These products offer performance gains at a value price. Over a decade ago, PRW Industries, Inc. (PRWI) recognized the need for branded, high performance after market parts that were value