Chevy LS1 Stainless Steel Shaft Pro Series Rocker Arm System, 1.7 Ratio, Needle Bearing Trunnion, Needle Bearing Tip Chevrolet and gasket requirements for the

and gasket requirements for the pan depth

Complete Accessory Drive Pulley Matching: This pulley kit is built for Chevy small block accessory drive systems

allowing customization of the engine combination to match intended performance

Thread Size: 3/8" - 16

Cap Color: Available in Black or Red

Chevy LS1 Stainless Steel Shaft Pro Series Rocker Arm System, 1.7 Ratio, Needle Bearing Trunnion, Needle Bearing Tip Chevrolet and gasket requirements for theChevy LS1 LS2 LS6 1. 7 Ratio Shaft Rocker Arm System for Improved Valvetrain Performance These 1. 7 ratio shaft rocker arm system are designed for Chevy LS1 LS2 LS6 applications, helping improve valve lift, reduce friction, and support more responsive engine performance. Built from stainless steel, this rocker arm design balances strength, durability, and valvetrain stability for street performance, restoration, and upgraded engine builds. The needle