LQ9 370 SHRT BLK FLAT 24T

The ATK SP93-G4 is an LS 370CI Short Block featuring -3.2cc flat top pistons and a 24-tooth crankshaft. It utilizes a seasoned 6.0L Iron Gen IV block with a 4.030” bore and 3.622” stroke. Key internal components include an OE reground 3.622” internally balanced 24 tooth crankshaft, Scat 4340 forged I beam 6.125” rods with ARP 8740 bolts, and Wiseco 2618 forged pistons. Compression ratios vary from 9.7:1 to 10.6:1 depending on head chamber volume. Camshaft bearings, freeze plugs, and oil galley plugs are installed and sealed. Recommended components include an internal balance balancer, internal balance flex plate/flywheel, .051” head gasket (or per application), and a Melling #10295 high-pressure oil pump. It is recommended to use 10W40 non-synthetic oil for the first 3000 miles and a Wix or K&N oil filter.