Check the listing for details. Big Block Chevy Serpentine Pulley Conversion Kit ALT PS LWP BBC 396 427 454 3. Condition: New. Listed at 429.50 USD. NEW BIG BLOCK CHEVY SERPENTINE CONVERSION PULLEY KIT ALTERNATOR AND POWER STEERING LONG WATER PUMP WOOWW.. SERPENTINE CONVERSION PULLEY KITS ARE HERE..PULLEYS HAVE THE SAME GREAT QUALITY AS THE BRACKETS.. BIG BLOCK CHEVY LONG WATER PUMP MID MOUNT ALTERNATOR BRACKET KIT PASSENGER SIDE. THIS BRACKET HAS BEEN CNC MACHINED IN USA.. MADE FROM 1/2" 6061-T6 ALUMINUM. POWER STEERING BRACKET MADE FROM 3/8" THICK ALUMINUM , 1 INCH SOLID SPACER BLOCK AND WE ADDED A REAR SUPPORT TO AVOID ANY DEFLECTION. MAKING THIS BRACKET THE BEST ON THE MARKET... 6 RIBS PULLEYS ARE MADE FROM SOLID ALUMINUM 6061-T6. GREAT QUALITY.. 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... PULLEY KIT WILL FIT LONG WATER PUMP APPLICATIONS:* LONG WATER PUMP* 390, 427, 454* SAGINAW P SERIES POWER STEERING PUMP WITH KEYWAY SHAFT.* REQUIRES 1973+ HEADS WITH 3/8" BOLT HOLE.(FOR ALTERNATOR UPPER HOLE) WHAT'S INCLUDED:* CRANK PULLEY.* WATER PUMP PULLEY.* ALTERNATOR PULLEY.* POWER STEERING PULLEY.* ALTERNATOR FAN.* ALTERNATOR PULLEY COVER.* ALTERNATOR BRACKET.* POWER STEERING BRACKET.*ALL HARDWARE REQUIRE TO INSTALL.*INSTRUCTIONS.. ALTERNATOR IS NOT INCLUDED.WATER PUMP IS NOT INCLUDED.POWER STEERING PUMP NOT INCLUDED FAST SHIPPING ( PRIORITY MAIL).