Trans-Dapt V-Belt 1-Groove Water Pump Pulley - 6.563 in Diameter - Machined Aluminum - Short Water Pump - Small Block Chevy 20-OTL-NG-L Reduces under hood temperatures up

Reduces under hood temperatures up to 5 percent

Non-Adjustable

Optimized retainer and valve spring clearances allow use of mos in diameter springs

Fits Most Shifters w/ 3/8" Shift Rods & 1/2" Hole in Shift Levers

Direct Injection

Trans-Dapt V-Belt 1-Groove Water Pump Pulley - 6.563 in Diameter - Machined Aluminum - Short Water Pump - Small Block Chevy 20-OTL-NG-L Reduces under hood temperatures upTrans Dapt Performance Water Pump Pulley, 1 Groove, 1955 1968 Chevrolet 283 350, Short Water Pump Machined Aluminum Trans Dapt Water Pump Pulley 9478 6. 6 in. Diameter Single Groove Short Style Machined Aluminum Water Pump Pulley Vehicle Applications: 1958 1968 Chevrolet Biscayne 1960 1962 Chevrolet C40 1959 1961 Chevrolet Kingswood 1960 1968 Chevrolet K10 Pickup 1964 1968 Chevrolet Chevelle 1960 1966 Chevrolet Suburban 1964 1967 Chevrolet Malibu 1967