its hard to say the spec i brought it with out an engine and then took a gamble on a £300 engine from an rs breakers took head off and engine looked mint so new head gasket an cam belt, a stage 2 s1 turbo with -31 acturator and pace intercooler and a stage 2 tourque of the devil chip thats about it going to fit newmans cam and solid lifters and a ap clutch next