From "For Vettes Only" Improvements over the LS1
6.0 Liter, higher lift cam, flat top pistons w/ floating wrist pins, cast baffling oil pan, 33% lighter exhaust manifold, more efficient coil banks, 10.9:1 compression, 90 mm TB, reduced mass & better water pump, 6500 rev limiter, heads similiar to Z06, 2 in intake & 1.55 in exhaust valves with upgraded springs, stronger timing chain, iridium tipped spark plugs, aluminum block with cast-in-place iron cylinder bore liners, aluminum valley cover & upper deck rails, 2 horizontal cross bolts & 4 bolt mains, better cats, better engine controller
