Our complete LS 454CI 750+HP Race prep crate engine package dyno tested ready for installation. This build features higher quality parts from the ground up. Some of this engines main features include a new aluminum GM Gen IV 6 bolt block with (Power Bore) big bore sleeves, completely forged bottom end, custom ground mechanical roller camshaft, 12.0:1 compression, performance AFR CNC ported cylinder heads, full roller rocker arms and a muscle car oil pan designed to fit almost every application. We can also assist you in picking out the correct motor mount and header combination that will fit your hot rod, as well as a complete serpentine pulley kit and transmission.