Product Description
The PSC PP4104-2 3.25 Inch Full Race Double Bearing Idler Pulley is engineered for high-performance racing and extreme duty accessory drive systems. Built from precision-machined billet aluminum, this pulley is designed to reduce belt drag while maintaining durability in demanding motorsports environments.
PSC designed this pulley with a double bearing configuration to significantly reduce friction and improve rotational stability under high RPM loads. The result is smoother belt operation, improved accessory efficiency, and enhanced durability for high-performance engines and racing applications.
With its 3.25 inch optimized diameter, the PP4104-2 provides proper belt routing and improved belt stability for custom bracket systems and performance engine setups. The lightweight billet aluminum construction helps reduce rotating mass while maintaining the strength required for racing conditions.
Key Features
- Precision-machined billet aluminum construction
- 3.25 inch pulley diameter for optimized belt routing
- Double bearing design reduces friction and wear
- Improves belt stability in high RPM environments
- Designed for performance accessory drive systems
- Includes hub/spacer and installation hardware
- Ideal for racing, off-road, and high-performance engine builds
Fitment Details
- Universal motorsports idler pulley application
- Compatible with many aftermarket accessory drive systems
- Commonly used with PSC steering pump setups
- Works with custom bracket systems and serpentine belt configurations
- Ideal for race cars, rock crawlers, hot rods, and custom engine builds
| Brand | PSC Steering Components |
| Part Number | PP4104-2 |
| Pulley Diameter | 3.25 Inches |
| Material | Billet Aluminum |
| Bearing Type | Double Bearing |
| UPC | N/A |
| GTIN | N/A |
| Shipping Info | Standard ground shipping available |
| Prop 65 | WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov |
What makes the PSC PP4104-2 idler pulley different from standard pulleys? PSC uses a double bearing design and billet aluminum construction, which provides improved durability and significantly reduced friction compared to standard stamped pulleys.
Why does a double bearing idler pulley matter? Double bearings distribute load across two bearing surfaces, improving durability and stability under high RPM loads common in racing or off-road environments.
Is this pulley designed for racing applications? Yes. The PSC PP4104-2 is part of PSC’s full race pulley lineup and is engineered for high performance engines where durability and efficiency are critical.
Can this pulley be used in custom accessory drive systems? Yes. This pulley is commonly used in custom serpentine belt systems and accessory drive configurations including PSC pump setups and custom brackets.
What material is the PSC PP4104-2 pulley made from? The pulley is precision machined from billet aluminum, providing strength while reducing rotational weight for improved accessory drive performance.