Vortech Standard Output Supercharger System w/ V-3 Si-Trim - Polished (1998 4.6 Mustang GT) 4FH218-078L
Standard Output Polished V-3 Si-Trim Supercharger System for 1998 Mustang GT 4.6L
The Vortech Standard Output Supercharger System (PN 4FH218-078L) is a complete, Standard Output centrifugal supercharger system engineered specifically for the 1998 Ford Mustang GT equipped with the 4.6L 2-valve V8. This exact part number features a polished V-3 Si-Trim internally lubricated supercharger and delivers proven, street-friendly power gains with OEM-quality fitment and reliability.
In Standard Output configuration, Vortech states this system safely increases horsepower from 215 to 290 and torque from 265 lb./ft. to 345 lb./ft., offering a substantial performance improvement while maintaining smooth drivability and long-term durability.
What This Part Number Is (and What It Is Not)
- This kit IS: Standard Output complete supercharger system with V-3 Si-Trim and polished finish (PN 4FH218-078L)
- This kit is NOT: A High Output charge-cooled system
- This kit is NOT: A tuner kit (fuel system upgrades are included)
Optional High Output Charge-Cooled Configuration (Not Included)
Vortech also offers a separate High Output Supercharger System for this platform that incorporates a fully integrated air-to-water aftercooler and higher boost levels. Vortech states the High Output charge-cooled configuration increases horsepower from 215 to 323 and torque from 265 lb./ft. to 365 lb./ft.
Important: High Output charge-cooled systems require a battery relocation kit (PN 8N150-010, sold separately). This equipment is not included with PN 4FH218-078L.
V-3 Si-Trim Supercharger Technology
The V-3 Si-Trim supercharger utilizes Vortech's self-contained internal lubrication system, eliminating the need for external oil feed and return lines. Developed in Vortech's supercharger test cell, the advanced impeller and housing design deliver quiet operation, linear boost response, and excellent reliability for daily-driven performance builds.
System Features
- Vortech V-3 gear-driven centrifugal supercharger with internal lubrication
- Technologically advanced, high-efficiency impeller and housing design
- Fuel management upgrade including high-flow fuel pump and fuel management unit (FMU)
- High Output systems (optional only): Integrated air-to-water, dual-pass charge cooler
- Heat-resistant silicone inlet and discharge couplers with premium stainless steel clamps
- OEM-type aluminum mounting bracket for factory-installed appearance and rigidity
- High-flow bypass valve for smooth, surge-free compressor operation
Installation
- Estimated installation time: 12-14 hours
- Professional installation recommended
CARB Compliance
This is a CARB-approved, smog-legal complete supercharger system when installed as configured.
- CARB Executive Order #: D-213-17
Tuner Kits & Additional Supercharger Options
Vortech also offers tuner kits for this platform, which exclude fuel system upgrades and ECM reprogramming to allow for custom calibration. For applications requiring sustained boost, Vortech also provides V-2 series superchargers that share the engine's oiling system and support optional oil cooling.
Quick Specs
- Manufacturer: Vortech Superchargers
- Part Number: 4FH218-078L
- Application: 1998 Ford Mustang GT 4.6L
- System Type: Complete Supercharger System
- Output Level: Standard Output
- Supercharger: V-3 Si-Trim (internally lubricated)
- Finish: Polished
- Charge Cooling: None included; High Output system optional
- Power Increase: 215 to 290 horsepower; 265 lb./ft. to 345 lb./ft.
- Estimated Install Time: 12-14 hours
- CARB EO: D-213-17
FAQs
- Is this the High Output charge-cooled system?
No. PN 4FH218-078L is the Standard Output non-charge-cooled system. The High Output version is a different part number. - Is this system street legal?
Yes. This complete system is CARB approved and smog legal when installed as configured.
Fitment
- 1998 Ford Mustang GT 4.6L
Why Buy from Beefcake Racing?
Vortech offers multiple Mustang GT systems that differ by output level, supercharger type, and finish. Beefcake Racing helps you verify the exact Standard Output V-3 Si-Trim polished configuration, understand upgrade paths, and ensure your 1998 Mustang GT gets the correct supercharger system the first time.
Email: sales@beefcakeracing.com
Phone: 1-855-827-7223
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov

