Chevrolet has put together an entire LS drivetrain system -- with electronics -- all in one package! It's truly a "Connect and Cruise" solution for your hot rod conversion needs. Chevrolet Performance engineers were able to develop not just one, but two, very exciting power packages. Choose between two power levels -- the 430 horsepower LS3 or the 556 horsepower supercharged LSA. Each engine in the Crate Powertrain packages comes complete with a specified engine harness, fuel injection control system and engine management package, a high-performance electronically controlled automatic transmission and the transmission controller system -- a complete powertrain system that is developed all guaranteed by the Chevrolet Performance engineers to provide years of trouble free service. More info at