Coleman Machine Water Pump Pulley 1:1 Ratio — 3/4in Bore

SKU: BJNR_DS-380-3
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Precision 1:1 Ratio Water Pump PulleyThe Coleman Machine 1:1 ratio ...Read More

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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

Precision 1:1 Ratio Water Pump Pulley

The Coleman Machine 1:1 ratio water pump pulley is the ideal choice for racers who require consistent coolant flow across the entire RPM range. Designed specifically for Small Block Chevy engines utilizing a short water pump, this pulley ensures that your water pump speed matches the engine speed perfectly. This 1:1 ratio is standard for many racing setups, providing reliable cooling performance without the need for complex speed adjustments.

Key Features

  • 1:1 ratio for standard water pump speed
  • 5.875-inch diameter with 2-groove V-belt configuration
  • Precision-machined 3/4-inch bore
  • Constructed from lightweight, high-strength aluminum
  • Finished in a durable black anodized coating

Built to withstand the demands of the track, this pulley combines lightweight aluminum construction with a robust design to ensure long-term reliability. The black anodized finish provides excellent resistance to corrosion and adds a clean, professional aesthetic to your engine bay. Whether you are building a new engine or replacing a worn-out component, this pulley offers the precision fitment and durability you expect from Coleman Machine. Its 2-groove design allows for versatile belt routing, making it an excellent addition to any performance accessory drive system. Keep your engine running at the perfect temperature with this high-quality water pump pulley, available now at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

Precision 1:1 Ratio Water Pump Pulley

The Coleman Machine 1:1 ratio water pump pulley is the ideal choice for racers who require consistent coolant flow across the entire RPM range. Designed specifically for Small Block Chevy engines utilizing a short water pump, this pulley ensures that your water pump speed matches the engine speed perfectly. This 1:1 ratio is standard for many racing setups, providing reliable cooling performance without the need for complex speed adjustments.

Key Features

  • 1:1 ratio for standard water pump speed
  • 5.875-inch diameter with 2-groove V-belt configuration
  • Precision-machined 3/4-inch bore
  • Constructed from lightweight, high-strength aluminum
  • Finished in a durable black anodized coating

Built to withstand the demands of the track, this pulley combines lightweight aluminum construction with a robust design to ensure long-term reliability. The black anodized finish provides excellent resistance to corrosion and adds a clean, professional aesthetic to your engine bay. Whether you are building a new engine or replacing a worn-out component, this pulley offers the precision fitment and durability you expect from Coleman Machine. Its 2-groove design allows for versatile belt routing, making it an excellent addition to any performance accessory drive system. Keep your engine running at the perfect temperature with this high-quality water pump pulley, available now at GGCRACING.

Product Details

Product Description

Precision 1:1 Ratio Water Pump Pulley

The Coleman Machine 1:1 ratio water pump pulley is the ideal choice for racers who require consistent coolant flow across the entire RPM range. Designed specifically for Small Block Chevy engines utilizing a short water pump, this pulley ensures that your water pump speed matches the engine speed perfectly. This 1:1 ratio is standard for many racing setups, providing reliable cooling performance without the need for complex speed adjustments.

Key Features

  • 1:1 ratio for standard water pump speed
  • 5.875-inch diameter with 2-groove V-belt configuration
  • Precision-machined 3/4-inch bore
  • Constructed from lightweight, high-strength aluminum
  • Finished in a durable black anodized coating

Built to withstand the demands of the track, this pulley combines lightweight aluminum construction with a robust design to ensure long-term reliability. The black anodized finish provides excellent resistance to corrosion and adds a clean, professional aesthetic to your engine bay. Whether you are building a new engine or replacing a worn-out component, this pulley offers the precision fitment and durability you expect from Coleman Machine. Its 2-groove design allows for versatile belt routing, making it an excellent addition to any performance accessory drive system. Keep your engine running at the perfect temperature with this high-quality water pump pulley, available now at GGCRACING.

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