This COMP Cams® Cam Phaser Limiter Kit will restrict cam phaser motion for use of higher performance camshafts in GM LT4 engines. The kit includes a tool (tool also sold individually) that allows...

Cam phasers are specially designed, computer-controlled cam gears that automatically optimize camshaft timing based on the current engine rpm. Engine oil is pressure fed to the cam phasers through a...

BTR VVT PHASER LIMITERS These VVT phaser limiters from BTR allow you to either limit or completely eliminate the VVT function on your Gen IV LS engine or Gen V LT engine. The Comp Cams phaser tool...