Vortech Superchargers 8-Rib Pulley Pack 3.33" Non-Underdrive (1986 Ford Mustang / 1987 Ford Mustang / 1988 Ford Mustang / 1989 Ford Mustang / 1990 Ford Mustang / 1991 Ford Mustang / 1992 Ford Mustang / 1993 Ford Mustang 5.0) 8E018-333
3.33" 8-Rib Non-Underdrive Pulley Pack for 1986-1993 Mustang 5.0
The Vortech Superchargers 8-Rib Pulley Pack (PN 8E018-333) is engineered for 1986-1993 Ford Mustang 5.0L applications running non-underdriven accessories. This pulley pack is ideal for Fox Body Mustang owners who want to fine-tune boost levels or upgrade belt drive capacity while retaining factory-style accessory speeds.
Whether you're converting from a 6-rib setup to an 8-rib or 10-rib system, or dialing boost up or down on your supercharged 5.0, this Vortech pulley package includes the necessary components to properly configure your supercharger drive with improved belt traction and reliability.
Purpose-Built Pulley System
This 3.33" non-underdrive pulley package is designed around Vortech's proven drive geometry, allowing controlled boost adjustments without affecting accessory operation. The 8-rib belt interface increases surface contact compared to traditional 6-rib systems, helping minimize belt slip under higher load conditions.
Performance & Capability
- Pulley Diameter: 3.33 inches
- Belt Drive: 8-Rib
- Accessory Configuration: Non-underdrive
- Boost Adjustment: Enables precise boost tuning
Application Notes
This pulley pack is intended for 1986-1993 Mustang 5.0L vehicles equipped with non-underdriven accessories. When changing pulley diameter or rib count, proper belt length and supporting components should be verified to ensure correct fitment and consistent performance.
Quick Specs
- Manufacturer: Vortech Superchargers
- Part Number: 8E018-333
- Product Type: Supercharger Pulley Pack
- Pulley Diameter: 3.33"
- Belt Type: 8-Rib
- Accessory Drive: Non-Underdrive
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 5.0L
- 1987 Ford Mustang 5.0L
- 1988 Ford Mustang 5.0L
- 1989 Ford Mustang 5.0L
- 1990 Ford Mustang 5.0L
- 1991 Ford Mustang 5.0L
- 1992 Ford Mustang 5.0L
- 1993 Ford Mustang 5.0L
FAQs
- What does a 3.33" pulley change compared to smaller sizes?
A 3.33" pulley typically reduces peak boost versus smaller pulleys, making it useful for dialing in power delivery and managing traction. - Can this pulley pack be used with underdrive accessories?
No. This pulley pack is designed specifically for engines using non-underdriven accessory configurations.
Why Buy from Beefcake Racing?
Beefcake Racing is an authorized Vortech Superchargers dealer with extensive experience supporting Fox Body Mustang supercharger builds. From pulley selection to complete boost system optimization, we help ensure every component is correctly matched for reliable, repeatable performance.
Email: sales@beefcakeracing.com
Phone: 1-855-827-7223
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
