Vortech Superchargers 10-Rib 3.70" Drive Pulley (2A031-370)
3.70-Inch 10-Rib Drive Pulley for Vortech Centrifugal Superchargers
The Vortech Superchargers 10-Rib 3.70" Drive Pulley (PN 2A031-370) is a precision-machined supercharger pulley designed to further reduce supercharger speed and fine-tune boost levels on Vortech centrifugal supercharger systems. With its larger 3.70-inch diameter, this pulley is typically used in conservative boost configurations where drivability, belt control, and long-term reliability are the primary goals.
This pulley is fully compatible with Vortech V-1, V-2, V-3, and V-7 superchargers equipped with a 10-rib belt drive system. Manufactured to Vortech's exacting standards, it delivers proper belt alignment, consistent belt grip, and smooth, dependable operation in both street-driven and race-oriented applications.
Key Features & Performance Highlights
- Genuine Vortech Superchargers drive pulley
- 3.70-inch diameter for reduced supercharger speed and controlled boost output
- 10-rib belt profile for superior belt traction and reduced slip
- Precision-machined for accurate alignment and smooth rotation
- Ideal for street-focused builds and conservative boost strategies
Compatibility
- Vortech V-1 Superchargers
- Vortech V-2 Superchargers
- Vortech V-3 Superchargers
- Vortech V-7 Superchargers
Quick Specs
- Manufacturer: Vortech Superchargers
- Part Number: 2A031-370
- Pulley Diameter: 3.70 inches
- Belt Type: 10-Rib
- Application: Vortech centrifugal superchargers
Important Notes
- Boost level changes depend on supercharger model, engine configuration, and crank pulley size
- Proper engine tuning is required when changing supercharger pulley sizes
- Verify belt length, pulley alignment, and system clearance prior to installation
- NOT AVAILABLE OR LEGAL FOR SALE IN CALIFORNIA
FAQs
- Which superchargers does this pulley fit?
This pulley is compatible with Vortech V-1, V-2, V-3, and V-7 superchargers using a 10-rib drive system. - Will a 3.70-inch pulley reduce boost?
Compared to smaller pulleys, a 3.70-inch pulley generally results in lower supercharger speed, which may reduce boost depending on the overall setup.
Why Buy from Beefcake Racing?
Beefcake Racing is an authorized Vortech Superchargers dealer and a trusted source for genuine pulleys and supporting components. If you need help selecting the correct pulley size or dialing in your Vortech supercharger setup, our team is ready to assist.
Email: sales@beefcakeracing.com
Phone: 1-855-827-7223
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov

