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The COMP Cams cam phaser limiter kit for GM LT4 engines limits phaser motion to allow installation of higher‑performance camshafts while retaining the benefits of variable valve timing. The kit includes a tool for simultaneous phaser spring compression on 2015 and newer LT4 engines and a limiter plug to provide the necessary valve clearance, engaging the spring lock in the optimal location for safe cam installation.
COMP Cams Cam Phaser Kit GM LT4
