Our complete GM LS3 416CI 600HP stroker crate engine package dyno tested ready for installation. This build features the aluminum LS3 Series 6 bolt block and FiTech fuel injection system with cable driven throttle body. Comes ready to install with the Muscle Car oil pan. We can also assist you in picking out the correct motor mount and header combo that will fit your hot rod. If you are in need of a serpentine pulley kit complete with components or a transmission we can assist you with that as well.