Vortech Superchargers 8-Rib Pulley Pack 3.00" Underdrive EFI/Renegade (1986 Ford Mustang GT / 1987 Ford Mustang GT / 1988 Ford Mustang GT / 1989 Ford Mustang GT / 1990 Ford Mustang GT / 1991 Ford Mustang GT / 1992 Ford Mustang GT / 1993 Ford Mustang GT) 8E018-300
3.00" 8-Rib Underdrive Pulley Pack for 1986-1993 Mustang GT EFI & Renegade Systems
The Vortech Superchargers 8-Rib Pulley Pack (PN 8E018-300) is engineered specifically for 1986-1993 Ford Mustang GT 5.0L applications equipped with underdrive accessory systems, including Vortech EFI and Renegade supercharger configurations. This pulley pack allows precise boost adjustment while maintaining correct belt alignment and drive geometry required for underdrive setups.
Whether you are upgrading from a 6-rib drive to an 8-rib or 10-rib system, or fine-tuning boost output to better match engine modifications, this package includes the necessary components to properly configure your Vortech supercharger drive system with increased belt grip and long-term reliability.
Underdrive-Specific Pulley Design
This 3.00" underdrive pulley pack is designed for Mustangs running underdriven accessories, where accessory speeds are reduced compared to factory configurations. Pulley diameter and spacing are matched to Vortech's EFI and Renegade system layouts, ensuring consistent belt tracking and predictable boost delivery.
The 8-rib belt interface provides increased surface contact compared to traditional 6-rib systems, helping minimize belt slip as boost levels increase.
Performance & Capability
- Pulley Diameter: 3.00 inches
- Belt Drive: 8-Rib
- Accessory Configuration: Underdrive
- Boost Control: Enables precise boost tuning for EFI/Renegade systems
Application Notes
This pulley pack is designed exclusively for 1986-1993 Mustang GT 5.0L vehicles running underdrive EFI or Renegade Vortech supercharger systems. When changing pulley diameter or rib configuration, proper belt length and supporting components should always be verified to ensure correct fitment and reliable operation.
Quick Specs
- Manufacturer: Vortech Superchargers
- Part Number: 8E018-300
- Product Type: Supercharger Pulley Pack
- Pulley Diameter: 3.00"
- Belt Type: 8-Rib
- Accessory Drive: Underdrive
- System Compatibility: EFI / Renegade
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
Fitment
- 1986 Ford Mustang GT 5.0L
- 1987 Ford Mustang GT 5.0L
- 1988 Ford Mustang GT 5.0L
- 1989 Ford Mustang GT 5.0L
- 1990 Ford Mustang GT 5.0L
- 1991 Ford Mustang GT 5.0L
- 1992 Ford Mustang GT 5.0L
- 1993 Ford Mustang GT 5.0L
FAQs
- What is the advantage of a 3.00" underdrive pulley?
A 3.00" pulley allows controlled boost adjustment while maintaining proper belt alignment on underdrive EFI and Renegade systems. - Can this pulley pack be used on non-underdrive systems?
No. This pulley pack is engineered specifically for underdrive accessory configurations and should not be used on non-underdrive setups.
Why Buy from Beefcake Racing?
Beefcake Racing is an authorized Vortech Superchargers dealer with extensive experience supporting Fox Body Mustang GT supercharger builds. From selecting the correct pulley configuration to dialing in boost safely, our team ensures every component is properly matched for reliable performance.
Email: sales@beefcakeracing.com
Phone: 1-855-827-7223
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
