Premium quality 15-5ph stainless steel rocker body;CNC machined pushrod cups and heat-treated Cr40 roller tips;Fully caged friction reducing needle bearings;Designed to clear large diameter valve springs;Lifetime guarantee against breakage on rocker body

• PRW 0234611 1.7 x 3/8x 5/16 Stainless Steel Rocker Arm for GM LS1 5.7L 1997-08

PRW 0234611 1.7 x 3/8x 5/16 Stainless Steel Rocker Arm for GM LS1 5.7L 1997-08PRW