Chevrolet Performance 12733807: LQ4/LQ9 6.0L Gen III Cast-Iron Bare Engine Block
Cast-Iron Production LS-Series Engine Blocks
Gen III 6.0L Bare Block Direct replacement for Gen III Block LQ4 & LQ9 Production cast iron block Production oiling system 6-bolt main bearing caps 4.000" finished bore (101.60mm) 9.240" deck height