Twin Cam Camshaft Locking Timing Belt Tool Kit Automotive Gas Diesel Engines Designed To Lock Twin Camshafts for Timing Belt Replacement Fits On To Sprockets And Extends To Lock on To Sprocket Teeth Adjustable Arms To Fit Various Diameters And Teeth Pitches Suitable For Locking Between Cam And Diesel Injunction Pump Sprockets Universal slider for many engine applications