• Use to lock the cam gears in place, retaining valve timing during belt replacement
• For single, dual or quad cam engines, also works well during diesel injection pump belt replacement
• Clamp between the engine block or head and the back of the gear to lock it in place
• No one likes the time and expense of retiming the engine, this cam lock is the perfect solution
• Universal design fits many engines, and installs in seconds without tools
• High impact plastic and steel construction provides years of repeated use
(California Prop 65)