Low milage had 61k when the Denali was wrecked. lq4 6.0 engine block, 317 heads,brand sloppy stage 2 cam kit with head bolt upgrade, upgraded water pump and more, brand new lsx twin turbo kit, brand new boost gauge, and boost controller, brand new intercooler kit. Will include a replacement main bearing kit as they need to be swapped out still the crank and bearings are still stock. As well I have the a complete harness and ECU. Is is for serious people only. Will not seperate. Please be patient with me responding as I am extremely busy.