Vortech V3 Si Supercharger Kit for 1987-1993 Fox Body Mustang – Low Mileage Power Upgrade
Looking to add serious horsepower and torque to your classic **87-93 Mustang**? This **Vortech V3 Si supercharger kit** is a proven performer that delivers instant throttle response and that signature centrifugal supercharger whine every Fox Body enthusiast loves. With under **1,000 miles** on the unit, this low-mileage setup is practically brand new and ready to transform your 5.0L into a street-stripping machine. Whether you drive a GT, LX, or notchback, this bolt-on kit gives you the power you’ve been dreaming about without complicated custom fabrication.
The Vortech V3 Si is one of the most popular centrifugal superchargers for Fox Body Mustangs. It provides smooth, linear power delivery that feels natural while adding massive gains. On a typical 5.0L engine, expect **100+ horsepower** and strong torque increases, pushing total output into the 300-330+ hp range depending on supporting mods and tuning. The included **3.33″ upper / 6.87″ lower pulley setup** is a favorite combination that delivers usable boost (around 5-8 psi) right where you need it most — perfect for daily driving, weekend cruises, or occasional track days.
### What’s Included in This Complete Kit
– Vortech V3 Si supercharger head unit (low mileage, under 1,000 miles)
– UPR Power Pipe (high-flow boost tube that can add up to 40 extra horsepower by improving airflow)
– New, unopened bottle of Vortech supercharger oil for immediate service
– Standard 3.33″ / 6.87″ pulley configuration (compatible with 8-rib belt upgrades)
– All necessary mounting brackets, hardware, belts, bypass valve, and fuel management components typical of a full Vortech kit
This setup is self-contained, making installation much cleaner compared to older systems that require external oil lines. The **UPR Power Pipe** is a smart upgrade that replaces restrictive factory-style tubing, giving you better boost delivery and efficiency.
### Key Performance Highlights
– **Power Gains**: 100+ horsepower and significant torque increase over stock
– **Boost Levels**: 5-8+ psi with the included pulleys (easily tunable with different pulley sizes)
– **Engine Fitment**: Designed specifically for 1987-1993 Ford Mustang 5.0L engines
– **Reliability**: Vortech’s efficient V3 design runs cool with peak efficiency around 78%
– **Condition**: Extremely low miles, well-maintained, and ready to install
### Why Choose This Vortech Supercharger for Your Fox Body?
Fox Body Mustangs respond incredibly well to centrifugal superchargers like the Vortech V3 Si. You’ll notice stronger acceleration from a roll, better highway passing power, and that addictive pull all the way to redline. Unlike turbos, superchargers give you instant boost with no lag — perfect for street use.
The low mileage on this unit means you’re getting a supercharger that still has most of its service life ahead. Fresh oil is included so you can service it right away and enjoy peace of mind. Many owners report these kits lasting tens of thousands of miles with basic maintenance.
### Installation Overview & Tips
Installing a Vortech V3 on a Fox Body is a popular weekend project for mechanically inclined owners. You’ll need basic hand tools, a hoist or sturdy jack stands, and some patience with belt routing and bracket alignment. Numerous step-by-step videos are available online showing the exact process for 87-93 Mustangs. Expect to spend 8-12 hours on a first-time install. Supporting mods like a 3″ exhaust, upgraded fuel pump (if going higher boost), and 91+ octane fuel will help you get the most out of the kit.
### Who This Kit Is Perfect For
– Fox Body Mustang owners wanting big power on a budget
– Enthusiasts with stock or mildly modified 5.0L engines
– Drivers seeking reliable street performance with track capability
– Anyone tired of laggy power and wanting instant supercharged response
### Frequently Asked Questions
**How much power will I really make?**
On a healthy stock 5.0L, most kits make 300-330+ hp with the included pulley setup. More aggressive tuning and mods can push it higher.
**Is this kit CARB legal?**
Many Vortech systems for this era carry CARB approval, but always check local emissions laws.
**What maintenance does it need?**
Change the supercharger oil every 10,000-12,000 miles or annually. Inspect belts and connections regularly.
**Will it fit my specific Mustang?**
Yes — this is designed for 1987-1993 5.0L models. Verify accessory drive configuration if you have non-standard setups.
This **Vortech V3 Si supercharger kit** with UPR Power Pipe is a rare find in this low-mileage condition. Don’t miss your chance to wake up your Fox Body with reliable, exhilarating boost. Perfect for building that dream street machine or restoring some excitement to your daily driver.
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