Trans-Dapt Crankshaft Add-On Pulley - 6.8" Diameter Viton O-Ring QA1's tubular K-members are designed

QA1's tubular K-members are designed for weight savings

MTF is treated with anti-oxidation

610 in OD Steps

(Bracket and Bolt Kit shown not included)

Our standard ball studs are dimensionally the same as OEM and different length ball studs are available to allow easy geometry changes

Trans-Dapt Crankshaft Add-On Pulley - 6.8" Diameter Viton O-Ring QA1's tubular K-members are designedTrans Dapt Performance Crankshaft Add On Pulley, 1 Groove, Chevy SB (Gen 1), BB (Gen Iv), Short Water Pump Chrome Trans Dapt Crankshaft Add On Pulley 9817 6. 8 in. Diameter Single Groove Short Style Chrome Plated Steel Use w (9603) For Air Conditioning Crankshaft Add On Pulley Vehicle Applications: 1965 1968 Chevrolet Chevelle 1968 1968 Chevrolet C20 Pickup 1968 1968 Chevrolet C20 Suburban 1968 1968 Chevrolet K10 Pickup 1963 1968 Chevrolet Impala 1965