Specifications: CAM PHASER LOCK OUT KIT: A ticking, tapping, or knocking noise that makes the engine sound a bit like a diesel. It is a simple solution to end noise, restoring the engine normal operating performance and saving the bill. CAMSHAFT MOUNTING BOLT: Required for Installation of new camshafts. A direct replacement to enhance performance with great convenience. TIMING CHAIN LOCKING TOOL: Allows to do easy cam or cam phaser changes without losing the chain tension and removing the timing cover. .