Contains 16 new GM Lifters and is the same lifter used in the LS7 427 performance engine. This lifter kit was designed by GM to be incorporated into performance engine builds and utilizes improved valving for higher RPM capability.

These Chevrolet Performance hydraulic roller lifters can be used as direct replacements for your LS engine or as a great solution for an AFM delete on an L99, L76, or even a Gen5 LT engine.
Recommended preload is between .050 - .100