2003–2004 Ford Mustang SVT Cobra Complete Drivetrain — Supercharged 4.6L DOHC & Tremec T56 6-Speed
Few drivetrains in American muscle history carry the reputation and raw desirability of the 2003–2004 Ford Mustang SVT Cobra package — and this complete assembly brings together the two most iconic components that made the Terminator Cobra a legend: the supercharged 4.6L DOHC V8 and the Tremec T56 6-speed manual transmission. This is a complete, authentic SVT Cobra drivetrain pulled straight from one of Ford’s most celebrated performance vehicles.
The 2003–2004 SVT Cobra — widely known as the Terminator — arrived from the factory with a hand-assembled 4.6L DOHC V8 topped by an Eaton Roots-type supercharger, producing a factory-rated 390 horsepower and 390 lb-ft of torque. Those numbers were famously understated — independent testing consistently revealed these engines making well beyond their rated output straight from the showroom floor. The Terminator Cobra shocked the performance world when it launched, and its drivetrain has remained one of the most coveted swap and build packages in the Mustang community ever since.
Backed by the legendary Tremec T56 6-speed manual transmission, this is a driver’s drivetrain through and through. The T56 is one of the most respected manual gearboxes ever fitted to an American performance car — strong, precise, and perfectly matched to the torque output of the supercharged 4.6L DOHC. Together, this combination delivers an experience that no automatic can replicate and no Mustang enthusiast can ignore.
Whether you’re restoring a damaged Terminator Cobra to its original factory specification, building the ultimate SVT-powered Mustang project, or executing a supercharged Cobra drivetrain swap into a classic or modern platform, this package gives you the authentic, complete foundation that serious builds demand.
Key Details:
- Engine: 4.6L Supercharged DOHC V8 — Terminator Cobra
- Supercharger: Eaton Roots-Type
- Transmission: Tremec T56 6-Speed Manual
- Application Years: 2003–2004
- Vehicle: Ford Mustang SVT Cobra
- Factory Power: 390 hp / 390 lb-ft (conservatively rated)
- Type: Complete Drivetrain Assembly
- Drivetrain: Rear-Wheel Drive
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