Top Street Performance Pro Series Stainless Steel Rocker Arms 1.8 Ratio 3/8 in. Stud Needle Bearing Tip for GM Chevy LS1 LS2 LS6

Chevy LS1/LS2/LS6 1.8 Ratio Roller Rocker Arms for Improved Valvetrain PerformanceThese 1.8 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 stainless steel, this rocker arm design balances strength, durability, and valvetrain stability for street performance, restoration, and upgraded engine builds.The needle bearing design helps promote smoother rocker motion and more consistent valve control, especially when paired with compatible camshaft, pushrod, and valve spring combinations.Configured for 3/8 in. stud applications where applicable, these rocker arms are built for proper fitment and reliable operation. Always verify rocker ratio, stud size, pushrod length, guideplate alignment, and valve spring clearance before installation.COMPATIBLE WITHGM LS GEN III/IV CATHEDRAL PORT V8 ENGINES 5.7L / 346 in³ (LS1, LS6) 6.0L / 364 in³ (LS2)COMMON VEHICLE APPLICATIONSChevrolet Camaro / Corvette (LS1/LS6 equipped)Pontiac GTO (LS1/LS2 equipped)CTS-V and GM LS swap applications using cathedral port LS headsNOTESDesigned for LS1/LS2/LS6-style cathedral port LS applications.Not intended for LS3/L92 rectangle port cylinder heads unless specifically listed.Verify rocker mounting style, rocker ratio, pushrod length, valve spring clearance, and valve cover clearance before installation.SPECIFICATIONS:Grade Type: PerformanceMaterial: Stainless SteelMaximum RPM: 7,000Mounting Type: StudOpen Pressure Rating: 500 lbs.Quantity: 16Rocker Arm Body Style: StandardRocker Arm Finish: NaturalRocker Arm Material: Stainless SteelRocker Arm Ratio: 1.8Rocker Arm Type: Full RollerSelf Aligning: NoShims Included: NoStud Thread Diameter: 3/8

• Fits GM LS1/LS2/LS6-style cathedral port LS applications with rocker arm compatibility
• Aluminum construction reduces valvetrain mass while maintaining strength and durability under load
• Designed for stud mount configurations with roller tip or full roller design for reduced friction
• Improves valve train stability and efficiency; verify pushrod length, guideplate alignment, and clearance before installation