• Fits GM Gen III cathedral-port LS cylinder heads
Outlet Size: 1/4" Npt
Match filtration level to the pump location and fuel-system requirements before installation
Fill and bleed the power steering system after installation
and rectangular exhaust ports
Chevy LS1 Pro Series 2024 Aluminum Roller Rocker Arm System, 1.7 Ratio, Needle Bearing Trunnion, Needle Bearing Tip Valley Cover • Fits GM Gen IIIChevy LS1 LS2 LS6 1. 7 Ratio Roller Rocker Arms for Improved Valvetrain Performance These 1. 7 ratio roller rocker arms are designed for Chevy LS1 LS2 LS6 applications, helping improve valve lift, reduce friction, and support more responsive engine performance. Built from 2024 aluminum, this rocker arm design balances strength, durability, and valvetrain stability for street performance, restoration, and upgraded engine builds. The needle bearing