SPECIAL HIGH PERFORMANCE BIG BLOCK PULLEY PACKAGE OEM (4 PIECE) - THIS IS A SET OF HIGH PERFORMANCE DEEP GROOVE PULLEYS FOR YOUR 1970 CAMARO WITH A L78 396 OR LS6 454.YOU CAN NOW HAVE ALL THE CORRECT PULLEYS WITH THE CORRECT NUMBERS. THIS WILL INSURE PROPER ALIGNMENT OF THE BELTS ON YOUR BIG BLOCK. WHAT YOU GET IS A SINGLE DEEP GROOVE WATER PUMP PULLEY GM # 3976060, A TWO DEEP GROOVE CRANK PULLEY GM # 3955291, A DEEP GROOVE ALTERNATOR PULLEY GM # 1970831, AND SINGLE DEEP GROOVE POWER STEERING PULLEY GM # 3941105. THIS PULLEY PACKAGE IS 100% CORRECT FOR YOUR RESTORATION.