Chevrolet power steering add on crank pulley # 232 BB for small block chevy, GM original part removed from 350 L48 Camaro SS 6 ¾ inches in dia. Bolts on to crank pulley 820 BC This pulley also used on other SBC cars like 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, 56 57 Chevy $25. Shipping is available upon request pay with Interac e-Transfer or PayPal