Built 6.2L LS3 Stage 2 package on a 65,000-mile core. Assembled and tuned in-house, then dyno verified before listing. INCLUDED: Stage 2 camshaft, ported and polished heads, upgraded valve springs, performance headers, intake manifold, throttle body and a matched tune loaded to the ECU. Engine only, transmission not included. FITS: LS3 platform from the 2008-2013 Corvette and 2010-2015 Camaro SS. Built for restomod, track and serious street builds in C10, Chevelle, Camaro, Nova and Mustang chassis. CONDITION: Used core, rebuilt and dyno tested. 1-year unlimited mileage warranty. Ships nationwide, crated on a pallet.