Chevrolet power steering add on crank pulley # 3751232 BB for small block chevy, GM original part removed from 1968 350 L48 Camaro SS 6 ¾ inches in dia. Bolts on to crank pulley 3755820 BC This pulley also used on other SBC cars like 1967 66 65 64 63 62 Impala SS Chevy pick up truck Chevelle Malibu SS El Camino Beaumont Acadian Pontiac Nova ChevyII Corvette with motor size 283 327 350 307, 1955 56 57 Chevy $25. Shipping is available upon request pay with Interac e-Transfer or PayPal