WORKS WITH GM ALTERNATOR, 6 AND 12 O'CLOCK: MEASURES 6 5/8" (6.6" OR 168mm) FROM THE CENTER OF THE PIVOT HOLE TO THE CENTER OF THE ADJUSTING HOLE. WHY SPEND SO MUCH WHEN YOU CAN HAVE A NICE CNC BRACKET KIT FOR YOUR HOT ROD FOR THE RIGHT PRICE.. BRACKET WILL FIT LONG WATER PUMP ONLY..
BRACKET WILL NOT WORK WITH FUELIE OR CAMEL HUMP HEADS.. (WILL NEED A SECOND BRACKET TO WORK). 283, 302, 305, 327, 350, 400. ALL HARDWARE REQUIRE TO INSTALL. WATER PUMP IS NOT INLCUDED.