Ls Water Pump Pulley

Gilmer or cog belts are the tried and true belts used to drive dry sump oil pumps and other engine accessories.

HTD, High Torque Drive, pulleys offer deeper tooth engagement, making them capable of carrying more load. This pulley is excellent for severe conditions.

HTD High Torque Drive pulleys offer deeper tooth engagement making them capable of carrying more load. This pulley is excellent for severe conditions.

Chrome upper Small Block Chevy pulley for 1955-1968 short pumps.

Speedway Cast Aluminum double groove pulleys for Small Block Chevy feature a 20% reduction. Reduction pulleys have a smaller diameter 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.Machined from lightweight cast aluminumSuperior belt retention with extra-deep grooves 20% reduction slows accessories down for less dragAdds top-end horsepowerReduces water pump impeller speed below cavitation thresholdImproved high-RPM cooling capabilities 910-154826-5/8" ...

S/B Chevy double groove cast aluminum lower pulley 25% reduction. Available for short water pumps. 5/8" shaft.Precision machined from high grade lightweight aluminum castings Extra-deep belt grooves provide added belt retention during rapid changes in engine RPM Small pulley diameter slows fan water pump and alternator speed to reduce horsepower-robbing drag High RPM water pump operation is improved reducing impeller speed below cavitation threshold 5-3/8" diameter

These upper pulleys for 1969-85 long water pumps feature a double groove with a beautiful chrome finish. They will work with 283-350 V8 small block Chevy engines. Upper pulley1969-85 283-350 V8 small block Chevy engineLong water pumpsDouble groove6-1/4" DiameterChrome plated finishNote: Use our lower pulley (91015428) to correspond for proper alignment with these upper pulleys.

These upper pulleys for 1969-85 long water pumps feature a single groove with a beautiful chrome finish. They will work with 283-350 V8 small block Chevy engines. Upper pulley1969-85 283-350 V8 small block Chevy engineLong water pumpsSingle groove6-1/4" DiameterChrome plated finishNote: Use our lower pulley (91015426) to correspond for proper alignment with these upper pulleys.

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-beltsHub surface to first groove center: 2.415"Center-to-center of grooves: 11/16"Center hole fits a5/8" shaft (can be drilled out to 3/4" if needed)Diameter: 6-5/8"It may be necessary to shim either or both of the pulleys to achieve perfect belt alignment.There are variances between manufacturers of both water pumps and pulleys.Water Pump ...

Cast aluminum single 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 strongSingle groove for V-beltFrom inside of pulley at fan hub to rear edge of pulley is 2"From rear edge of pulley to center of V-belt groove is 5/16"Center hole fits a5/8" shaft (can be drilled out to 3/4" if needed)Diameter is 6-5/8"Note: When using in conjunction with an electric fan assembly be sure to consider the pulley installation screw ...

These upper pulleys for 1955-68 short water pumps feature a single groove with a beautiful chrome finish.  They will work with 283-350 V8 small block Chevy engines.  Sitting flat on the workbench, the pulley is 2-3/4" high in the center at the water pump. Upper pulley 1955-68 283-350 V8 small block Chevy engine Short water pumps Single groove   7-1/8" Diameter Chrome plated finish Note:   These upper pulleys will not work with our lower pulley (91015424).  Use our lower pulley ( 91015422 ) to correspond for proper alignment with these ...

These upper pulleys for 1969-85 long water pumps feature a double groove with a beautiful chrome finish.  They will work with 283-350 V8 small block Chevy engines. Upper pulley 1969-85 283-350 V8 small block Chevy engine Long water pumps Double groove   6-1/4" Diameter Chrome plated finish Note:   Use our lower pulley (91015428) to correspond for proper alignment with these upper pulleys.  

Speedway Billet Aluminum double groove pulleys for small block Chevy feature a 30% reduction. Reduction pulleys have a smaller diameter 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.High strength billet aluminum constructionSuperior belt retention with extra-deep grooves 30% reduction slows accessories down for less dragAdds top-end horsepowerReduces water pump impeller speed below cavitation thresholdImproved high-RPM cooling capabilities Fits short ...

These lower crank pulleys for 1969-85 long water pumps feature a single groove with a beautiful chrome finish.  They will work with 283-350 V8 small block Chevy engines. Lower pulley 1969-85 283-350 V8 small block Chevy engine Long water pumps Single groove   7" Diameter Chrome plated finish Note:   Use our upper pulley ( 91015425 ) to correspond for proper alignment with these lower pulleys.  

These lower pulleys for 1969-85 long water pumps feature a double groove with a beautiful chrome finish.  They will work with 283-350 V8 small block Chevy engines. Lower pulley 1969-85 283-350 V8 small block Chevy engine Long water pumps Double groove   6-7/8" Diameter Chrome plated finish Note:   Use our upper pulley (91015427) to correspond for proper alignment with these lower pulleys.  

These lower pulleys for 1969-85 long water pumps feature a triple groove with a beautiful chrome finish.  They will work with 283-350 V8 small block Chevy engines. Lower pulley 1969-85 283-350 V8 small block Chevy engine Long water pumps Triple groove   7-3/4" Diameter Chrome plated finish  

These lower pulleys for 1955-68 short water pumps feature a double groove with a beautiful chrome finish.  They will work with 283-350 V8 small block Chevy engines. Lower pulley 1955-68 283-350 V8 small block Chevy engine Short water pumps Double groove   7-3/8" Diameter Chrome plated finish Note:   These lower pulleys will not work with our upper pulley (91015421).  Use our upper pulley ( 91015423 ) to correspond for proper alignment with these lower pulleys.  

Speedway Billet Aluminum double groove pulleys for small block Chevy feature a 30% reduction. Reduction pulleys have a smaller diameter 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. High strength billet aluminum construction Superior belt retention with extra-deep grooves 30% reduction slows accessories down for less drag Adds top-end horsepower Reduces water pump impeller speed below cavitation threshold Improved high-RPM cooling capabilities Fits ...