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  • Speedway 1:1 Pulley Combo, Small Block Chevy Short Pump
    Speedway 1:1 Pulley Combo, Small Block Chevy Short Pump
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    Kit includes a cast aluminum double groove water pump pulley and double groove crank pulley, and a matched pair of heavy duty belts. Has a 1:1 water pump/crankshaft speed ratio.

    Fits Small Block Chevy V8 with '55-'68 short-style water pump with either a 5/8" or 3/4" shaft.

    Note: The lower crank pulleys in our combo kits are manufactured thicker than normal stock pulleys.  This requires longer 3/8" bolts to be purchased separately.  Allen head type bolts recommended.

    Get the correct pulleys for your application by learning which water pump you have as explained in our tech article. SBC - Short vs Long Water Pump

  • Speedway 30% Reduction Pulley Combo for S/B Chevy Short Pump
    Speedway 30% Reduction Pulley Combo for S/B Chevy Short Pump
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    Kit includes a cast aluminum double groove cast aluminum water pump pulley, crank pulley, and a matched pair of heavy duty belts. Slows water pump speed by 30% for increased horsepower.

    Fits Small Block Chevy V8 with '55-'68 short-style water pump with 5/8" shaft.

    Get the correct pulleys for your application by learning which water pump you have as explained in our tech article. SBC - Short vs Long Water Pump.

  • Billet FM2121PC SBC Mid Mount Serpentine Conversion Kit, Keyway Shaft
    Billet FM2121PC SBC Mid Mount Serpentine Conversion Kit, Keyway Shaft
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                Please view the product's page for more information
            
  • 1955-68 Small Block Chevy Single Groove Upper Pulley, Short Water Pump
    1955-68 Small Block Chevy Single Groove Upper Pulley, Short Water Pump
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    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 upper pulleys.

    Get the correct pulleys for your application by learning which water pump you have as explained in our tech article. SBC - Short vs Long Water Pump.

  • Reduction Pulley Combo for Small Block Chevy Long Pump
    Reduction Pulley Combo for Small Block Chevy Long Pump
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    Combo includes cast aluminum double-groove aluminum water pump pulley, crank pulley, and matched pair of heavy duty belts. Slows water pump speed by 20% for increased horsepower.

    For Small Block Chevy V8s with '69-'86 long style water pumps with 5/8" shaft.

    Note: The lower crank pulleys in our combo kits are manufactured thicker than normal stock pulleys.  This requires longer 3/8" bolts to be purchased separately.  Allen head type bolts recommended.

    Get the correct pulleys for your application by learning which water pump you have as explained in our tech article. SBC - Short vs Long Water Pump

  • KRC KIT16312015 Basic Serpentine Drive Kit-Crate Chevy Block Mt. Pump
    KRC KIT16312015 Basic Serpentine Drive Kit-Crate Chevy Block Mt. Pump
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    KRC's basic kits are the perfect starting point for your GM 602 & 604 Crate Engines. Select the kit with the options that suit your application, then choose the appropriate accessory to complete your kit.

    • Complete basic kit
    • GM 602 & 604 Crate Engines
    • Assembly contains:
      • 7.2cc aluminum power steering pump
      • 4.2" aluminum power steering pulley
      • Aluminum driver side lower block mounted power steering pump bracket
      • Pro series pulley kit
      • KRC high performance water pump
      • Water pump spacers
      • Goodyear Gatorback belt
      • Hardware and detailed instructions

    Get the correct pulleys for your application by learning which water pump you have as explained in our tech article. SBC - Short vs Long Water Pump.

    Cast Iron Pump Tech (PDF)

    Cast Iron Pump Installation Instructions (PDF)

    New Pump Tips (PDF)

    Serpentine Pulley Offset (PDF)

  • 1955-68 Small Block Chevy Single Groove Lower Pulley, Short Water Pump
    1955-68 Small Block Chevy Single Groove Lower Pulley, Short Water Pump
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    These lower 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. 

    • Lower pulley
    • 1955-68 283-350 V8 small block Chevy engine
    • Short water pumps
    • Single groove  
    • 6-3/4" Diameter
    • Chrome plated finish

    Note: Use our upper pulley (91015421) to correspond for proper alignment with these lower pulleys.

    Get the correct pulleys for your application by learning which water pump you have as explained in our tech article. SBC - Short vs Long Water Pump.

     

  • Small Block Chevy Aluminum Double Upper Pulley, Short Pump
    Small Block Chevy Aluminum Double Upper Pulley, Short Pump
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                Cast aluminum double groove V-belt pulley for '55-'68 Small Block Chevy short style water pumps. Fits over 5/8" water pump snout, but can be drilled out to 3/4" if needed. 
    • Precision machined aluminum construction
    • Lightweight and strong
    • Double grooves for two V-belts

    Get the correct pulleys for your application by learning which water pump you have as explained in our tech article. SBC - Short vs Long Water Pump

  • Speedway 1:1 Pulley Combo for Small Block Chevy Long Water Pump
    Speedway 1:1 Pulley Combo for Small Block Chevy Long Water Pump
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    Kit includes a cast aluminum double groove water pump pulley and double groove crank pulley, and a matched pair of heavy duty belts. Has a 1:1 water pump/crankshaft speed ratio.

    Fits Small Block Chevy V8 with '69-'86 long-style water pump.

    Note: The lower crank pulleys in our combo kits are manufactured thicker than normal stock pulleys.  This requires longer 3/8" bolts to be purchased separately.  Allen head type bolts recommended.

    Get the correct pulleys for your application by learning which water pump you have as explained in our tech article. SBC - Short vs Long Water Pump

     

  • Small Block Chevy Aluminum Triple Lower Pulley, Short Pump
    Small Block Chevy Aluminum Triple Lower Pulley, Short Pump
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    Cast aluminum 3-groove V-belt crankshaft pulley for use with '55-'68 Small Block Chevy short style water pumps.

    • Precision machined aluminum construction
    • Lightweight and strong
    • Three grooves for 3 V-belts

    Get the correct pulleys for your application by learning which water pump you have as explained in our tech article. SBC - Short vs Long Water Pump

  • 1969-1985 Small Block Chevy Aluminum Single Upper Pulley, Long Pump
    1969-1985 Small Block Chevy Aluminum Single Upper Pulley, Long Pump
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    Cast aluminum single groove V-belt upper pulley for '69-'85 Small Block Chevy long style water pumps. Fits over 5/8" water pump snout, but can be drilled out to 3/4" if needed.

    • Precision machined aluminum construction
    • Lightweight and strong
    • Single groove for V-belt
    • From 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 a 5/8" 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 kit # 910-15440 shown below.

    Get the correct pulleys for your application by learning which water pump you have as explained in our tech article. SBC - Short vs Long Water Pump

  • Small Block Chevy Alum. Long Pump Double Groove Upper Pulley
    Small Block Chevy Alum. Long Pump Double Groove Upper Pulley
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                Cast aluminum double groove V-belt upper pulley for '69-'85 Small  Block Chevy long style water pumps. Fits over 5/8" water pump snout, but can be  drilled out to 3/4" if needed. 
    • Precision machined aluminum construction
    • Lightweight and strong
    • Two grooves for V-belts
    • Hub surface to first groove center: 2.415"
    • Center-to-center of grooves:  11/16"
    • Center hole fits a 5/8" 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.

    Get the correct pulleys for your application by learning which water pump you have as explained in our tech article. SBC - Short vs Long Water Pump.

  • 1969-1985 Small Block Chevy Aluminum Double Lower Pulley, Long Pump
    1969-1985 Small Block Chevy Aluminum Double Lower Pulley, Long Pump
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    Cast aluminum double groove V-belt crankshaft pulley for use with '69-'85 Small Block Chevy long style water pumps.

    • Precision machined aluminum construction
    • Lightweight and strong
    • Two grooves for V-belts

    Get the correct pulleys for your application by learning which water pump you have as explained in our tech article. SBC - Short vs Long Water Pump

  • Small Block Chevy Billet Aluminum Water Pump Pulley, 6-7/8 Inch O.D.
    Small Block Chevy Billet Aluminum Water Pump Pulley, 6-7/8 Inch O.D.
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    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 short style pumps ('55-'68) or long style pumps ('69-'86). Fits a 5/8" shaft.

    Get the correct pulleys for your application by learning which water pump you have as explained in our tech article. SBC - Short vs Long Water Pump.

  • 1969-85 Chevy Long Water Pump Nose Cover
    1969-85 Chevy Long Water Pump Nose Cover
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    Billet aluminum nose cover for 1969-85 small block Chevy long water pumps.

    Learn more about using different water pump accessories to best fit your application by reading our tech article.  SBC - Short vs Long Water Pump.   

  • 1969-1985 Small Block Chevy Aluminum Single Lower Pulley, Long Pump
    1969-1985 Small Block Chevy Aluminum Single Lower Pulley, Long Pump
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    Cast aluminum single groove V-belt crankshaft pulley for use with '69-'85 Small Block Chevy long style water pumps.

    • Precision machined aluminum construction
    • Lightweight and strong
    • Single groove for V-belt
    • From balancer to outer edge of pulley is 2-3/4"
    • From outer edge to center of V-belt groove is 5/16"
    • Diameter is 6-5/8"
  • 1969-1985 Small Block Chevy Aluminum Triple Lower Pulley, Long Pump
    1969-1985 Small Block Chevy Aluminum Triple Lower Pulley, Long Pump
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    Cast aluminum triple groove V-belt crankshaft pulley for use with '69-'85 Small Block Chevy long style water pumps.

    • Precision machined aluminum construction
    • Lightweight and strong
    • Three grooves for V-belts
    • Mounting face to first groove:  1.090"
    • First groove to second groove:  .625"
    • Second groove to third groove:  .687"
    • Overall Thickness:  2.77"
    • Diameter:  6-5/8"
  • 1969-85 Small Block Chevy Single Groove Upper Pulley, Long Water Pump
    1969-85 Small Block Chevy Single Groove Upper Pulley, Long Water Pump
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    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 pulley
    • 1969-85 283-350 V8 small block Chevy engine
    • Long water pumps
    • Single groove  
    • 6-1/4" Diameter
    • Chrome plated finish

    Note:  Use our lower pulley (91015426) to correspond for proper alignment with these upper pulleys.

    Get the correct pulleys for your application by learning which water pump you have as explained in our tech article. SBC - Short vs Long Water Pump.  

     

  • AFCO Cast Pulley Combos for Small Block Chevy Long Pumps
    AFCO Cast Pulley Combos for Small Block Chevy Long Pumps
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    • Double-groove water pump pulley
    • Double-groove crank pulley
    • Matched pair of heavy duty belts
    • 20% reduction

    Get the correct pulleys for your application by learning which water pump you have as explained in our tech article. SBC - Short vs Long Water Pump

  • Small Block Chevy Cast Alum. Short Pump Double Groove Lower Pulley
    Small Block Chevy Cast Alum. Short Pump Double Groove Lower Pulley
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    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 aluminum
    • Superior belt retention with extra-deep grooves
    • 20% reduction slows accessories down for less drag
    • Adds top-end horsepower
    • Reduces water pump impeller speed below cavitation threshold
    • Improved high-RPM cooling capabilities
    • 5-7/16" diameter

    Available for Short style pumps ('55-'68). Fits a 5/8" shaft.

    Note: The lower crank pulleys are manufactured thicker than normal stock pulleys.  This requires longer 3/8" bolts to be purchased separately.  Allen head type bolts recommended. 

    Get the correct pulleys for your application by learning which water pump you have as explained in our tech article. SBC - Short vs Long Water Pump.  

  • 1969-85 Small Block Chevy Single Groove Lower Pulley, Long Water Pump
    1969-85 Small Block Chevy Single Groove Lower Pulley, Long Water Pump
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    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.

    Get the correct pulleys for your application by learning which water pump you have as explained in our tech article. SBC - Short vs Long Water Pump.  

     

  • Billet Specialties 13220 Tru Trac Serpentine Systems - Small Block Chevy
    Billet Specialties 13220 Tru Trac Serpentine Systems - Small Block Chevy
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    Billet Specialties Tru Trac serpentine systems for Small Block Chevy come complete with all attaching hardware and a comprehensive installation manual.

    • Polished 105 amp Powermaster 1-wire alternator
    • Cast finish Edelbrock reverse rotation water pump
    • Polished Sanden SD-7 compressor
    • Cast finish Maval power steering pump w/ AN fittings
    • All pulleys and brackets completely polished
    • Polished ARP 12-point stainless steel hardware
    • Goodyear Gatorback 6-rib serpentine belt

    Note: Requires the use of a remote power steering fluid reservoir. Vehicles that use front style motor mounts must be converted to side motor mounts when using the Tru Trac system.

    Small Block Chevy Serpentine System Installation Instructions (PDF)

    Get the correct pulleys for your application by learning which water pump you have as explained in our tech article. SBC - Short vs Long Water Pump.  

  • Billet FM2122PC S/B Chevy Mid Mount Serpentine Conversion Kit-Press-On
    Billet FM2122PC S/B Chevy Mid Mount Serpentine Conversion Kit-Press-On
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                Please view the product's page for more information
            
  • 1969-85 Small Block Chevy Double Groove Upper Pulley, Long Water Pump
    1969-85 Small Block Chevy Double Groove Upper Pulley, Long Water Pump
    x
                

    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.

    Get the correct pulleys for your application by learning which water pump you have as explained in our tech article. SBC - Short vs Long Water Pump.  

     

  • Small Block Chevy Aluminum Double Lower Pulley, Short Pump
    Small Block Chevy Aluminum Double Lower Pulley, Short Pump
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    Cast aluminum double groove V-belt crankshaft pulley for use with '55-'68 Small Block Chevy short style water pumps.

    • Precision machined aluminum construction
    • Lightweight and strong
    • Double grooves for two V-belts

    Get the correct pulleys for your application by learning which water pump you have as explained in our tech article. SBC - Short vs Long Water Pump.

  • Small Block Chevy Aluminum Single Lower Pulley, Short Pump
    Small Block Chevy Aluminum Single Lower Pulley, Short Pump
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    Cast aluminum single groove V-belt crankshaft pulley for use with '55-'68 Small Block Chevy short style water pumps.

    • Precision machined aluminum construction
    • Lightweight and strong
    • Single groove for V-belt
    • This pulley has "0" offset and is flat against balancer
    • From edge of pulley to center of V-belt groove is 5/16"
    • Diameter is 6-5/8"

    Get the correct pulleys for your application by learning which water pump you have as explained in our tech article. SBC - Short vs Long Water Pump.

     

     

  • Small Block Chevy Aluminum Single Upper Pulley, Short Pump
    Small Block Chevy Aluminum Single Upper Pulley, Short Pump
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    Cast aluminum single groove V-belt upper pulley for '55-'68 Small Block Chevy short style water pumps. Fits over 5/8" water pump snout, but can be drilled out to 3/4" if needed.

    • Precision machined aluminum construction
    • Lightweight and strong
    • Single groove for V-belt
    • From inside at fan hub to back side of pulley is 2-3/4"
    • From back edge of pulley to center of V-belt groove is 5/16"
    • Fits over a 5/8" water pump shaft (can be drilled to 3/4" if needed)
    • Diameter is 6-5/8"

    Get the correct pulleys for your application by learning which water pump you have as explained in our tech article. SBC - Short vs Long Water Pump.

  • Small Block Chevy Cast Alum. Long Pump Double Groove Lower Pulley
    Small Block Chevy Cast Alum. Long Pump Double Groove Lower Pulley
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    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.

    This is a 25% reduction pulley when used with the correct upper pulley, part number 91015476.

    • Machined from lightweight cast aluminum
    • Superior belt retention with extra-deep grooves
    • 20% reduction slows accessories down for less drag
    • Adds top-end horsepower
    • Reduces water pump impeller speed below cavitation threshold
    • Improved high-RPM cooling capabilities
    • 910-15488
      • 5-7/16" O.D.

    Available for long water pumps. 5/8" shaft.

    Note: The lower crank pulleys are manufactured thicker than normal stock pulleys.  This requires longer 3/8" bolts to be purchased separately.  Allen head type bolts recommended. 

     

  • Garage Sale -  Small Block Chevy Cast Alum. Short Pump Double Gro
    Garage Sale - Small Block Chevy Cast Alum. Short Pump Double Gro
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    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 aluminum
    • Superior belt retention with extra-deep grooves
    • 20% reduction slows accessories down for less drag
    • Adds top-end horsepower
    • Reduces water pump impeller speed below cavitation threshold
    • Improved high-RPM cooling capabilities
    • 910-15482
      • 6-5/8" O.D.

    Available for Short style pumps ('55-'68). Fits a 5/8" shaft.

    Get the correct pulleys for your application by learning which water pump you have as explained in our tech article. SBC - Short vs Long Water Pump.  

  • KRC KIT16312610 Serpentine Drive Kit-S/B Chevy, Head Mt. w/o P.S. Pump
    KRC KIT16312610 Serpentine Drive Kit-S/B Chevy, Head Mt. w/o P.S. Pump
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    KRC's basic kits are the perfect starting point for your GM 602 & 604 Crate Engines. Select the kit with the options that suit your application, then choose the appropriate accessory to complete your kit.

    • Complete basic crate engine kit
    • Designed for GM 602 & 604 Crate Engines
    • Assembly contains:
      • Aluminum driver side cylinder head mounted power steering pump bracket
      • Pro series pulley kit
      • KRC high performance water pump
      • Water pump spacers
      • Hardware and detailed instructions

    Serpentine Pulley Offset (PDF)

    Get the correct pulleys for your application by learning which water pump you have as explained in our tech article. SBC - Short vs Long Water Pump

  • KRC KIT16312615 Serpentine Drive Kit-S/B Chevy, Block Mt. w/o P.S Pump
    KRC KIT16312615 Serpentine Drive Kit-S/B Chevy, Block Mt. w/o P.S Pump
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    KRC's basic kits are the perfect starting point for your GM 602 & 604 Crate Engines. Select the kit with the options that suit your application, then choose the appropriate accessory to complete your kit.

    • Complete basic crate engine kit
    • Designed for GM 602 & 604 Crate Engines
    • Assembly contains:
      • Aluminum driver side lower block mounted power steering pump bracket
      • Pro series pulley kit
      • KRC high performance water pump
      • Water pump spacers
      • Hardware and detailed instructions

    Serpentine Pulley Offset (PDF)

    Get the correct pulleys for your application by learning which water pump you have as explained in our tech article. SBC - Short vs Long Water Pump.  

  • KRC KIT16312010Basic Serpentine Drive Kit Crate S/B Chevy Head Mt Pump
    KRC KIT16312010Basic Serpentine Drive Kit Crate S/B Chevy Head Mt Pump
    x
                Please view the product's page for more information
            
  • 1969-85 Small Block Chevy Double Groove Lower Pulley, Long Water Pump
    1969-85 Small Block Chevy Double Groove Lower Pulley, Long Water Pump
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    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.

     

  • Holley 21-3 LS Acc Drive Bracket Install. Kit, Long, Long Style Pump
    Holley 21-3 LS Acc Drive Bracket Install. Kit, Long, Long Style Pump
    x
                Please view the product's page for more information
            
  • 1969-85 Small Block Chevy Triple Groove Lower Pulley, Long Water Pump
    1969-85 Small Block Chevy Triple Groove Lower Pulley, Long Water Pump
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    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

     

  • Single Groove Power Steering Pump Pulley, Machined Aluminum
    Single Groove Power Steering Pump Pulley, Machined Aluminum
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    These power steering pump pulleys for a long water pump are available in plain(Pln), polished(Pol), or chrome(Chr).  Pulley listed is 5-3/4" in diameter.

    • Works only with the long pump and matching long pump pulleys
    • Works with our Saginaw pump (91032908)
    • Bolt-on pulley
    • 5-3/4" in diameter
    • Measures .852" from the front of the pulley to the center of the V-belt groove just as it would be mounted on the pump
    • Choose from plain, polished, or chome finish.
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