Skip the machine shop wait times and drop the ultimate, uncompromised powertrain into your restomod, pro-touring machine, or custom truck project. This ultra-premium, turnkey LS3 6.2L V8 engine and heavy-duty 4L80E automatic transmission package delivers a massive, built 600 horsepower. Sourced with only 12,000 original miles, this incredibly fresh, low-mileage setup offers the crisp throttle response and high-RPM breathing capabilities of the legendary LS3 platform alongside an indestructible overdrive transmission.
Engineered from front to back as a complete, drop-in solution, this kit takes the absolute guesswork out of your build. It includes a custom-flashed standalone ECU and an uncut, plug-and-play wiring harness designed for an easy startup. You also receive a complete front-end accessory drive system with all brackets and pulleys, saving you thousands of dollars in hidden swap costs.
We stand entirely behind the elite quality of our hand-selected inventory. This premium 600HP drivetrain package is backed by an industry-leading, comprehensive 3-Year Warranty—allowing you to push your project to the limit with total peace of mind.
What’s Included in This Premium Package:
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Complete 6.2L LS3 Aluminum V8: High-output 600 HP specification with only 12k original miles.
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Heavy-Duty 4L80E Transmission: Fully inspected, prepared, and built to handle 600 HP effortlessly.
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Electronics Package: Custom pre-programmed ECU and full plug-and-play standalone wiring harness.
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Front-End Accessories: Alternator, water pump, power steering pump, heavy-duty brackets, and belts.
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Fuel & Intake System: Premium intake manifold, high-flow fuel rails, and upgraded injectors pre-installed.
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Torque Converter: Matched and included with the transmission assembly.
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3-Year Warranty: Comprehensive coverage for ultimate long-term confidence.
