Set the camshaft endplay on your Chevrolet 396-454 Big Block with our .945" long nylon thrust button. This thrust button can be shimmed as needed to adjust the endplay.
All roller cam lobes are ground flat instead of tapered, like hydraulic or solid cams, it is necessary to provide some means of holding the cam back to the rear of the engine. These cam buttons from COMP Cams ride between the front of the timing gear and the back of the front cover and can be shimmed for proper endplay of the cam. COMP Cams makes solid nylon buttons and roller bearing thrust buttons for the ultimate in performance.
All roller cam lobes are ground flat instead of tapered, like hydraulic or solid cams, it is necessary to provide some means of holding the cam back to the rear of the engine. These cam buttons from COMP Cams ride between the front of the timing gear and the back of the front cover and can be shimmed for proper endplay of the cam. COMP Cams makes solid nylon buttons and roller bearing thrust buttons for the ultimate in performance.
- Holds The Cam Back
- 1 Year Limited Warranty