LS3 Swap Kit 6.2L / 4L80E 426HP Drivetrain Package

Complete 6.2L LS3 engine transmission package, Chevy 4L80E automatic swap kit, turnkey LS3 426HP drivetrain combo, used GM LS3 6.2L dropout motor

Looking for the ultimate, heavy-duty powertrain combo to revolutionize your restomod or custom build? This LS3 Swap Kit 6.2L / 4L80E 426HP Drivetrain Package is the definitive, all-in-one solution. By pairing General Motors’ legendary aluminum Gen IV 6.2L LS3 V8 with the bulletproof strength of a heavy-duty 4L80E 4-speed automatic transmission, this mated package eliminates the typical drivetrain compatibility guesswork and parts chasing.

The 376 cubic-inch LS1 engine foundation steps up to deliver a robust 426 horsepower and crisp, immediate throttle response. Backing up that small-block muscle is the legendary 4L80E transmission, prized by builders for its massive torque capacity and reliable highway overdrive gear. This complete turnkey dropout kit is the perfect plug-and-play foundation for classic muscle cars, pro-touring machines, high-performance street rods, or custom trucks demanding uncompromised long-term drivability.

Drivetrain Package Quick Facts:

• Engine Type: GM Gen IV LS3 6.2L Small Block V8

• Power Output: 426 Horsepower

• Transmission: 4L80E Heavy-Duty 4-Speed Automatic (With Overdrive)

• Block Design: Lightweight aluminum block with high-flow rectangular-port heads

• Completeness: Mated engine and transmission assembly including intake manifold, throttle body, and essential front-end accessories

• Application: Premier choice for high-end restomods, custom trucks, and classic car swaps

Stop buying your engine and transmission separately and struggling with alignment issues. Secure a professional, ready-to-install Chevy drivetrain package today. Message us with your zip or postal code for a fast, competitive freight shipping quote to the US or Australia!