Vortech Tuner Kit - V-2 Si, Polished (1986-1993 Mustang 5.0) 4FA218-148SQ
V-2 Si Centrifugal Supercharger Tuner Kit for Fox Body Mustang 5.0
The Vortech Superchargers V-2 Si Tuner Kit (Part Number 4FA218-148SQ) is a high-performance centrifugal supercharger package engineered for the 1986-1993 Ford Mustang 5.0L. Finished in polished aluminum, this tuner kit is designed for enthusiasts and racers who require full control over fuel system selection and engine calibration.
This is a tuner kit and is supplied without fuel system upgrades, air inlet assembly, or ECU tuning, making it ideal for custom installations, race builds, or vehicles running aftermarket fuel and engine management systems.
NOT AVAILABLE OR LEGAL FOR SALE IN CALIFORNIA. Intended for off-road and racing use only.
V-2 Si Supercharger Technology
The V-2 Si centrifugal supercharger features Vortech's Si (Super Improved) compressor design, delivering increased airflow efficiency and strong power potential across a wide RPM range. The V-2 Si utilizes an engine-oil-lubricated gearcase, making it well suited for applications involving sustained boost, including road racing and extended high-load operation.
For severe-duty use, Vortech allows the addition of an external oil cooler and/or oil filtration system to further enhance durability.
Tuner Kit Configuration
This tuner kit is intended for experienced builders and does not include the following components:
- Fuel injectors
- Fuel pump upgrades
- Fuel Management Unit (FMU)
- ECU calibration or handheld tuner
- Air inlet assembly
Custom fuel system components and professional tuning are required for proper operation.
System Components & Features
- Vortech V-2 Si centrifugal supercharger (polished finish)
- Cast aluminum supercharger mounting bracket assembly
- Idler assembly, drive belt, and mounting hardware
- Heat-resistant silicone discharge couplers
- Premium stainless steel clamps
- High-flow bypass valve for surge-free compressor operation
Performance & Technology Benefits
- Efficient centrifugal compressor design for strong airflow and power delivery
- Engine-oil-lubricated gearcase suited for sustained boost applications
- Scalable platform for custom street and race builds
- Compatible with upgraded fuel systems and advanced engine management
Upgrades, Accessories & Optional Components
- Fuel rails and high-flow fuel pumps
- Fuel Management Units and Super FMU
- Boost Timing Master ignition upgrades
- Supercharger drive pulleys and pulley upgrade packages
- 8-rib, 10-rib, and cog drive systems
- Bypass and blowoff valves
- Charge cooler systems (sold separately)
- Replacement hardware kit (PN 4FA100-001)
Emissions & Legal Notice
- NOT CARB legal
- Legal in California only for racing vehicles never operated on public roads
- Installation on emissions-controlled vehicles may violate U.S. federal law
Warranty Information
- 1-Year Supercharger Limited Warranty
- Tuner kits are not eligible for extended warranty programs
Quick Specs
- Manufacturer: Vortech Superchargers
- Part Number: 4FA218-148SQ
- Application: 1986-1993 Ford Mustang 5.0L
- Kit Type: Tuner Kit
- Supercharger: V-2 Si
- Lubrication: Engine oil lubricated
- Finish: Polished
- Emissions: Race use only / not street legal
FAQs
- Does this kit include fuel system components?
No. Fuel system upgrades and tuning are required and sold separately. - What type of use is the V-2 Si best suited for?
The V-2 Si is ideal for applications requiring sustained boost, including road racing and custom high-performance builds.
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
Why Buy from Beefcake Racing?
Beefcake Racing specializes in Vortech supercharger systems for Fox Body Mustangs, from street-driven builds to dedicated race cars. Our team helps ensure your tuner kit is paired with the correct supporting components to safely meet your horsepower goals.
Email: sales@beefcakeracing.com
Phone: 1-855-827-7223
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
