Vortech Superchargers 10-Rib 3.47" Drive Pulley (2A031-347)
3.47-Inch 10-Rib Drive Pulley for Vortech Centrifugal Superchargers
The Vortech Superchargers 10-Rib 3.47" Drive Pulley (PN 2A031-347) is a precision-machined supercharger pulley designed to adjust supercharger speed and fine-tune boost levels on Vortech centrifugal supercharger systems. With its larger 3.47-inch diameter, this pulley is commonly used in lower-boost or conservative performance configurations where belt stability and long-term reliability are the priority.
This pulley is fully compatible with Vortech V-1, V-2, V-3, and V-7 superchargers utilizing a 10-rib belt drive system. Manufactured to Vortech's exacting standards, it ensures proper belt alignment, consistent grip, and smooth operation in both street-driven and race-focused applications.
Key Features & Performance Highlights
- Genuine Vortech Superchargers drive pulley
- 3.47-inch diameter for reduced supercharger speed and controlled boost output
- 10-rib belt profile for improved traction and reduced belt slip
- Precision-machined for accurate alignment and smooth rotation
- Ideal for street-focused builds and custom 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: 2A031-347
- Pulley Diameter: 3.47 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 3.47-inch pulley reduce boost?
Compared to smaller pulleys, a 3.47-inch pulley typically 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
