New LS7 over 1200 Hp Includes Mast motorsports block, Callies crank and Ultra rods, Diamond pistons, Katech Cnc heads, Comp rockers shafts, Comp .624 lift cam, ARS drysump system, 120 lb injectors, billet drive pulleys with a ATI balancer, ARP studs, Kong 2650 Super-charger and after cooler with 10 rib belt system. We not only build these engines but test and road race this engine for over 6 years YMS racing Jacksonville Fl