Combine supercar-tier supercharged horsepower with bulletproof electronic shifting in this ultimate turnkey powertrain package. Featuring the legendary Chevrolet Performance LS9 6.2L Supercharged V8 delivering a ferocious 638 horsepower and 604 lb-ft of torque, this setup is engineered to transform any classic restomod, pro-touring machine, or high-end custom build into a street-shredding monster.
To harness that immense 638 HP output reliably, this package is paired with our elite Stage 6 Computerized 4-Speed Automatic Transmission and a high-performance billet Yank multi-disc torque converter. The transmission is built with heavy-duty internal components, high-energy friction clutches, and a high-flow valve body to handle extreme torque without breaking a sweat, while the Yank converter ensures brutal launch traction and razor-sharp throttle response.
To eliminate the headaches of custom wiring and standalone calibration, this package includes a pre-programmed standalone ECU/TCU, complete plug-and-play wiring harnesses, and custom dyno tuning pre-loaded for your exact powertrain combination.
Key Specifications:
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Engine Type: Gen IV LS-Series 6.2L Supercharged V8 (LS9)
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Engine Horsepower: 638 HP @ 6,500 RPM | Torque: 604 lb-ft @ 3,800 RPM
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Supercharger: Eaton 2.3L Four-Lobe Roots-Type (10.5 PSI Boost)
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Transmission: Stage 6 Heavy-Duty Computerized 4-Speed Automatic Overdrive
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Torque Converter: Precision Billet Yank Performance Multi-Disc Converter
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Drivetrain Control: Standalone ECU / TCU with Custom Pre-Loaded Dyno Tune & Wiring Harness
Package Includes:
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Complete Assembled LS9 6.2L Supercharged Engine (Including Eaton Supercharger & Dry-Sump Oil Pan)
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Stage 6 Upgraded 4-Speed Automatic Transmission Unit
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Billet Yank Performance Torque Converter
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Standalone Programmable ECU/TCU Control System
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Complete Plug-and-Play Engine & Transmission Wiring Harnesses
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Custom Pre-Loaded Powertrain Tune (Shift Points, Firmness, & Fuel Mapping)
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Front Accessory Drive (FEAD), Alternator, Water Pump, and Ignition Coils




