Description
This item is brand-new, factory sealed.
Stainless Exhaust Valve for GM LS3 w/ 1.590″ Head, 4.890″ Length
- Quality Construction – COMP Cams Valves are constructed from quality stainless steel for increased strength and durability over factory LS valves
- Hardened Tip and Back Cut Fillet – Our performance LS valves feature both a hardened tip and a back cut fillet. Our hardened valve tip eliminates the need for a lash cap, simplifying the installation, while the back cut fillet increases port flow: leading to an increase an airflow, resulting in more horsepower and torque.
- Factory Fit – Designed as a factory replacement, COMP Cams Stainless Valves are simple to intall, requiring no modifications to factory or RHS LS heads.
- Fits RHS Pro-Action LS3 and GM LS3/L92 Heads


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