Paxton Superchargers 8-Rib 3.75" Supercharger Drive Pulley (1986-1993 Mustang) 2H038-375
8-Rib 3.75" Supercharger Drive Pulley for Fox Body Mustang Applications
The Paxton Superchargers 8-Rib 3.75" Supercharger Drive Pulley (PN 2H038-375) is precision-machined for 1986-1993 Ford Mustang applications equipped with Paxton NOVI 1000 or NOVI 2000 centrifugal superchargers. This pulley is designed to deliver stable belt engagement and consistent drive performance in supercharged Fox Body builds where reliability and precision are critical.
Machined from 6061-T6 aluminum and finished with a durable hard-anodized coating, this pulley features a properly engineered profile that maximizes belt surface contact area for precise fit and reduced belt slip. Each pulley is manufactured to SAE standards to ensure accurate balance, alignment, and long-term durability.
Design & Manufacturing Details
- CNC-machined from 6061-T6 aluminum
- Hard-anodized finish for enhanced wear resistance
- Optimized pulley profile to maximize belt contact area
- Built to SAE standards for precise fit and balance
Performance & Drive Characteristics
- 8-rib belt configuration improves traction and reduces belt slip
- 3.75" pulley diameter supports controlled supercharger speed tuning
- Well-suited for street, strip, and competition Fox Body Mustang builds
Compatibility
This pulley is designed for use with Paxton NOVI 1000 and Paxton NOVI 2000 superchargers utilizing an 8-rib drive system.
Important Installation & Tuning Notes
- Custom ECM tuning and fuel system adjustments are required when changing supercharger pulley sizes
- Improper pulley selection can result in excessive impeller speed and engine damage
- Careful pulley sizing is critical for engine and supercharger longevity
- Supercharger pulley changes may affect or void manufacturer warranty
Quick Specs
- Manufacturer: Paxton Superchargers
- Part Number: 2H038-375
- Pulley Diameter: 3.75"
- Belt Type: 8-Rib
- Material: 6061-T6 Aluminum
- Finish: Hard Anodized
- Compatible Superchargers: Paxton NOVI 1000, Paxton NOVI 2000
Emissions & Legal Notice
- NOT AVAILABLE OR LEGAL FOR SALE IN CALIFORNIA
- For off-road and competition use only
- Not emissions legal for street-driven vehicles
Fitment
- 1986 Ford Mustang
- 1987 Ford Mustang
- 1988 Ford Mustang
- 1989 Ford Mustang
- 1990 Ford Mustang
- 1991 Ford Mustang
- 1992 Ford Mustang
- 1993 Ford Mustang
Why Buy from Beefcake Racing?
Beefcake Racing is an authorized Paxton Superchargers dealer with extensive experience supporting Fox Body Mustang supercharger systems. From selecting the proper pulley diameter to building a reliable boost combination, our team helps ensure your setup delivers consistent performance and long-term durability.
Email: sales@beefcakeracing.com
Phone: 1-855-827-7223
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
