Turn-key 5.3L LM7 package with 61,000 miles, tuned and ready to run. Wired and programmed in-house so it starts on a battery, fuel and a key with nothing else to source. Compression tested before listing. INCLUDED: Engine, standalone wiring harness, tuned ECU, throttle body, intake manifold, accessory brackets, alternator and power steering pump. Engine only, transmission not included. FITS: 1999-2007 Silverado, Sierra, Tahoe, Suburban, Yukon and Escalade. Built for first-time swappers putting an LS into a C10, OBS, Camaro, Chevelle or Nova with the correct mounts and oil pan. CONDITION: Used, tested, tuned and running. 1-year unlimited mileage warranty. Ships nationwide, crated on a pallet.