Engines and Components› Crankshafts and Components
Moroso
Moroso Chevrolet Small Block (w/Short Pump) Crankshaft Pulley - Single Groove - Billet Aluminum
SKU: M00R 64051
Moderate — 2–4 hours
Description
This pulley is machined from solid billets of aircraft-grade aluminum for durability and features deep, precision-machined grooves to ensure belt retention. It offers a 30% reduction in water pump speed when used with compatible pulleys and has a black, hard-coat anodized finish for extended life. The pulley has a 5.25-inch outer diameter and a single groove for V-belts.
Fitment
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Specifications
| Brand | Moroso |
| Part Number | M00R 64051 |
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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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