Compatibility: The ls lifter tray fits for GM Gen IV V8 engine lifter guides (aka buckets), for LS2, LS3, LS7, LSA, LS9, etc. Gen IV V8 engines
High-quality: Made from high-strength materials to withstand extreme engine conditions, reducing wear and promoting long-lasting performance
Noise and Shock Reduction: effectively fix the tappet, reduce the collision friction between components, significantly reduce the noise and vibration during engine operation, and improve the driving comfort
Function: Provide solid support for the valve tappet, ensure its accurate position and smooth movement when the engine is running, improve the valve opening and closing accuracy, improve power and fuel economy