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91015424Inside Diameter1.125" (1 1/8")Outside Diameter7.375" (7 3/8")Groove Count2Belt TypeV-BeltMaterial TypeSteelFinishChromeSold in QuantityEach
Chrome lower Small Block Chevypulleys for 1969-1985 long pumps.
Chrome upperSmall BlockChevy double groove pulleys for 1969-1985 long pumps.
91015488Mounted Length2.795"Outside Diameter5.440"Belt TypeV-BeltMaterial TypeAluminumFinishNaturalSold in QuantityEachNotesDouble groove, 25 percent reduction lower pulley for long pump.
S/B Chevy double groove pulleys. 25% reduction upper pulley. For long or short water pumps. 5/8" shaft.
Cast aluminumdouble groove V-belt crankshaft pulley for use with '55-'68 Small Block Chevyshort style water pumps.
91015484FinishPolishedBelt TypeV-BeltMaterial TypeAluminumOverall Diameter5.375" (5 3/8")Overall Thickness1.440"Sold in QuantityEach
Cast aluminum double groove V-belt upper pulley for'69-'85 Small BlockChevylong style water pumps. Fits over 5/8" water pump snout, but can be drilled out to 3/4" if needed. Precision machined aluminum constructionLightweightand strongTwo grooves for V-belts
Cast aluminum double groove V-beltcrankshaft pulley foruse with '69-'85 Small BlockChevylong style water pumps.
Kit includes a cast aluminum double groove water pump pulley anddouble groove crank pulley, and a matched pair of heavy duty belts. Has a 1:1 water pump/crankshaft speed ratio.
91015472Overall Length3.000"Inside Diameter0.630"Outside Diameter6.600"Groove Count2Belt Width0.380"Belt TypeV-BeltMaterial TypeAluminumFinishNaturalSold in QuantityEachNotes5/8" center hole can be drilled out to 3/4" if needed.
Speedway Billet Aluminum double groove pulleys for Small Block Chevy feature a 30% reduction. Reduction pulleys have a smallerdiameter which slows the speed of your fan, water pump, and alternator to reduce drag for more top-end horsepower. Plus, high RPM water pump operation is improved due to reduced fluid cavitation.
Kit includes a cast aluminum double groove cast aluminum water pump pulley, crank pulley, and a matched pair of heavy duty belts. Slows water pumpspeed by20% for increased horsepower.
Speedway Cast Aluminum double groove pulleys for Small Block Chevy feature a 20% reduction. Reduction pulleys have a smallerdiameter which slows the speed of your fan, water pump, and alternator to reduce drag for more top-end horsepower. Plus, high RPM water pump operation is improved due to reduced fluid cavitation.
Double-groove water pump pulleyDouble-groove crank pulleyMatched pair of heavy duty belts20% reduction
Combo includes cast aluminum double-groove aluminum water pump pulley, crank pulley, and matched pair of heavy duty belts. Slows water pumpspeed by20% for increased horsepower.
Small BlockChevy, double groove billet aluminum pulleys. 30% reduction. Available for long or short style water pumps. 5/8" shaft on pulley.