Motor was built in 2016, has 15 races from brand new and its fresh. New pistons and rods on freshen. Sunny Bryant crank, Carrillo rods, heads done by Ron's porting service, raptor injection, stroke is 338. Motor is sitting at sharks now. Call or txt 2089540733 for more info. Stacks come with it and I could let more go with it if a deal can be made.