PRW Industries Pro Series Billet Aluminum Roller Rocker Arm - 3/8 in Stud Mount - 1.60 Ratio - Clear - Small Block Chevy (Set of 16) 5117D compression ratio increase is approximately

compression ratio increase is approximately 3/10 of a percent with each 1/8 stroke

and sportsman divisions

- Straight shot and chamfered oil holes - Nitride hardened for superior wear resistance - Lightening holes in all rod throws

COMP Cams' new 26911 single valve springs are a product of innovative design and superior craftsmanship

1976-1980 Avanti II

PRW Industries Pro Series Billet Aluminum Roller Rocker Arm - 3/8 in Stud Mount - 1.60 Ratio - Clear - Small Block Chevy (Set of 16) 5117D compression ratio increase is approximatelyProduct Description: Rocker Arm Pro Series Billet 3 8 in Stud Mount 1. 60 Ratio Full Roller Aluminum Clear Anodized Small Block Chevy 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