Trans-Dapt V-Belt 2-Groove Water Pump Pulley - 6.3 in Diameter - Black Powder Coat - Long Water Pump - Big Block Chevy H759003XXL We also have a smaller

We also have a smaller diameter Viton seal available for triple spring applications

Removes excess oil from crankshaft to reduce horsepower-robbing windage

Clutch linkage binding is eliminated

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Trans-Dapt V-Belt 2-Groove Water Pump Pulley - 6.3 in Diameter - Black Powder Coat - Long Water Pump - Big Block Chevy H759003XXL We also have a smallerTrans Dapt Performance Water Pump Pulley, 2 Groove, 1969 2006 Chevrolet 396 454, Long Water Pump Asphalt Black Powder Coat 396 454 BB Chevy O. E. M. Powder Coated pulley. Water pump 2 groove, Long water pump pulley style (1969 Up) Trans Dapt Water Pump Pulley 8623 6. 3 in. Diameter 2. 75 in. Depth Double Groove Long Style Black Satin Powder Coated Water Pump Pulley Vehicle Applications: 1976 1978 Chevrolet K5 Blazer 1987 1988 Chevrolet V30 1989 1989