Description
The KRC Serpentine Crank Pulley is engineered for racers and high-performance builders who demand reliability under extreme conditions. Its R-Lok drive system eliminates slippage and ensures consistent accessory drive performance, whether you’re running a naturally aspirated or forced induction engine. The compact 4-inch diameter and lightweight aluminum construction make it ideal for tight engine bays while reducing parasitic losses.
- 4.000 inch diameter
- 6-rib serpentine groove
- Aluminum construction
- Black anodized finish
- R-Lok drive system
- Bolt-on installation
- MPN: KRC 38240000






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