GM LT4 6.2L Supercharged V8 Engine with 6-Speed Manual – Complete Plug-and-Play Powertrain

The 6.2L LT4 Supercharged V8 paired with a 6-speed manual transmission is a factory-engineered, high-output performance package built for serious street and track applications. Delivering extreme horsepower with proven durability, this setup offers modern technology combined with raw driver engagement.

Engine Specifications – LT4 6.2L V8

• Displacement: 6.2 liters
• Induction: Eaton TVS R1740 supercharger
• Construction: Lightweight aluminum block and heads
• Internals: Forged crankshaft, forged pistons, high-strength rods
• Cylinder Heads: High-flow design for improved efficiency
• Factory Output: 650 HP
• Torque: 650 lb-ft

Performance Characteristics

• Instant throttle response with strong low-end torque
• Relentless mid-range pull and high-RPM power
• Efficient charge cooling and advanced fuel delivery
• Race-proven engineering with OEM reliability

Transmission – 6-Speed Manual

• Close-ratio gearing for strong acceleration
• Precise gear engagement and mechanical feel
• Designed to handle high torque loads
• Ideal for performance-focused builds

The manual gearbox maximizes driver involvement, giving full control over the LT4’s massive power delivery.

Plug-and-Play Package Includes

• Complete standalone wire harness
• Programmed and calibrated ECU
• Matched 6-speed manual transmission
• Ready-to-run configuration

With electronics pre-configured, installation is simplified—making this a true turnkey solution for high-performance projects.

Ideal Applications

• Modern muscle car upgrades
• Classic restomod conversions
• Track-focused street builds
• Custom high-horsepower swaps

Key Highlights

• GM LT4 6.2L supercharged V8
• 650 HP / 650 lb-ft torque
• Eaton TVS R1740 supercharger
• 6-speed manual transmission included
• Plug-and-play wiring and ECU
• Factory durability with extreme performance capability