Vortech 8-Rib Drive Upgrade - (2018-2020 Mustang GT) 4FQ116-009
8-Rib Supercharger Drive Upgrade for 2018-2020 Ford Mustang GT
The Vortech 8-Rib Drive Upgrade (PN 4FQ116-009) is engineered for 2018-2020 Ford Mustang GT owners looking to increase boost and horsepower with improved belt grip and stability. By converting to an 8-rib drive system, this upgrade delivers more belt contact area for maximum traction - helping eliminate belt slip at higher power levels.
This package is compatible with all 2018-2020 Vortech and Paxton Mustang GT supercharger systems and retains the factory automatic belt tensioner for OE-like operation and reliability.
Performance Benefits
- Increased belt contact area for improved grip
- Reduced belt slip at higher boost levels
- Improved power transfer and drive stability
- Supports higher horsepower supercharged setups
System Design & Compatibility
- 8-rib design for maximum traction and stability
- Maintains factory automatic drive belt tensioner
- Compatible with all 2018-2020 Vortech and Paxton Mustang GT systems
- Aftermarket 8-rib damper pulley not included and must be sourced separately
Included Components
- 2A038-347 supercharger pulley (3.47" diameter)
- Matched 8-rib drive belt (2A048-100)
- Replacement alternator pulley
- Replacement water pump pulley
- Replacement idler pulleys
- All necessary hardware and precision-machined spacers
Optional Parts & Accessories
- Optional Supercharger Pulleys: 2A038-333, 2A038-315, 2A038-312, 2A038-300, 2A038-295, 2A038-285, 2A038-280, 2A038-275, 2A038-270
Important Notes & Requirements
- Custom ECM programming and fuel/ignition upgrades are required when changing supercharger pulley ratios
- Supercharger pulley removal may reduce or void the supercharger unit warranty
- Careful pulley size selection is mandatory for engine and supercharger longevity
- Contact Vortech Tech Support for impeller speed calculations if needed
- This upgrade is not emissions legal for street use
- A Vortech BV-57 or Mondo compressor bypass valve is required for applications producing more than 13 psig
Special Tools Required
- 17mm hex impact driver (OEM alternator pulley removal)
- Crankshaft damper puller/installer tool
Quick Specs
- Manufacturer: Vortech Superchargers
- Part Number: 4FQ116-009
- Component Type: 8-Rib Drive Upgrade Kit
- Application: Supercharged Mustang GT
- Drive Type: 8-Rib
- Supercharger Pulley: 3.47" (included)
Fitment
- 2018 Ford Mustang GT
- 2019 Ford Mustang GT
- 2020 Ford Mustang GT
Emissions & Legal Notice
- NOT AVAILABLE OR LEGAL FOR SALE IN CALIFORNIA
- For off-road and competition use only
- Installation on emissions-controlled vehicles driven on public roads may violate U.S. federal emissions law
Frequently Asked Questions
Does this kit include an 8-rib crank damper?
No. An aftermarket 8-rib damper pulley is required and must be sourced separately.
Will tuning be required after installation?
Yes. Any change to supercharger pulley ratios requires custom ECM programming and appropriate fuel system support.
Why Buy from Beefcake Racing?
Beefcake Racing is an authorized Vortech Superchargers dealer with extensive experience supporting high-horsepower S550 Mustang builds. Our team helps ensure your drive upgrades, pulleys, and supporting components are matched correctly for safe, reliable performance.
Email: sales@beefcakeracing.com
Phone: 1-855-827-7223
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov

