Description
Keep your Small Block Chevy running at peak efficiency with the Allstar Performance 1:1 Crank Pulley (ALL31084) — a precision-machined aluminum pulley built to deliver reliable, consistent power transfer right where you need it. Designed specifically for short water pump applications, this clean 1:1 ratio pulley ensures your accessories spin at exactly the right speed without robbing you of horsepower. Whether you’re building a race car or a weekend street machine, this is the kind of quality hardware that makes a real difference under the hood.
- Brand: Allstar Performance
- Part #: ALL31084
- Application: Small Block Chevy
- Pump Type: Short water pump
- Pulley Ratio: 1:1
- Belt Type: V-Belt
- Grooves: 2
- Diameter: 6.625 in
- Material: Aluminum
- Finish: Natural
- Quantity: Sold individually






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