General Motors 12499225 hydraulic roller lifters are a set of 16 hydraulic roller lifters for GM LS-series engines, built to maintain proper valve operation, reduce valvetrain friction, and support reliable performance during rebuilds or camshaft upgrades. They are compatible with GM 5.3L, 5.7L, and 6.0L LS engines, covering LS1, LS2, LS3, and LS7 platforms, and are intended for replacement when lifters wear or during valvetrain servicing. MPN 12499225; Product Type: Hydraulic Roller Lifters; Lifter Type: Hydraulic Roller; Applications include engine valve train systems and LS-series engine maintenance and performance builds.
