Description This adjustable cam sprocket allows precise cam timing without elongating bolt holes. It also allows advancing or retarding the cam to tune the power range with engraved timing marks to show degrees of advance/retard. Includes adjustable cam sprocket, crank sprocket, tensioner and Renold chain. Fit Note: The original Triumph GT6 sprockets and chain are single-row. This double-row timing set may be used as an upgrade. Click here for installation instructions
