4599 Mr Gasket ADJ,TIMING TAB BB CHEVY 8" DIA

ADJ,TIMING TAB BB CHEVY 8" DIA Mr. Gasket Adjustable Timing Tab - Chrome Fits Big Block Chevrolet with 8 Inch Balancer Bolts on using existing timing cover bolts. It is chrome plated steel, which makes is a better compliment to a chrome timing cover. It also has an adjustable red timing pointer. This allows for better visibility and helps you set your timing more easily. Just loosen the screw, set the pointer to the desired initial timing level, and screw it back down. Then you'll be able to more clearly see if your timing is where you want it when checking your timing. Has markings from 16 degrees before top dead center (BTDC) to 4 degrees after top dead center (ATDC). Bolts on using existing timing cover bolts Chrome finish compliments chrome timing covers Red adjustable pointer makes it easier to check timing Timing marks from 16 degrees BTDC to 4 degrees ATDC