Roller cam lobes are ground flat rather than tapered like a flat tappet cam; it is necessary to provide some means of holding the cam back to the rear of the engine. The thrust button rides between the front of the timing gear and the back of the front cover and can be shimmed for proper end play of the cam. COMP Cams has both the solid nylon button and the roller thrust bearing available for the ultimate in performance.
396; 402; 427; 454; 496; 502; 572; 632; Chevrolet; BBC; Big Block Chevy; Big Block Chevrolet; Chevelle; Corvette; Mark IV; GEN 4; Monte Carlo; Caprice; Sprint; Nova; Camaro; Firebird; L78; Z16; L37; L34; L35; L37; L66; LS3; L34; L35; L37; L66; COPO; ZL1; C10; K10
.945" Length; Ride between the front of the timing gear and the back of the timing cover; Can be shimmed to achieve proper endplay; Solid nylon and roller thrust bearing styles available;
Set the camshaft endplay on your Chevrolet 396-454 with our .945" long nylon thrust button. This thrust button can be shimmed as needed to adjust the endplay.
.945" Long Nylon Thrust Button for Chevrolet 396-454 Big Block
COMP Cams Nylon Thrust Button for Big Block Chevrolet
COMP Cams Cam Button Fiber Type CB 396
CAM Button, Fiber Type, CB 396 -454
.945" Long Nylon Thrust Button BBC
Engine Camshaft Thrust Button
Cmshft Thrust Button
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