Joz It comes with all the seals mate for the intercooler and oil and water connections, just need to replece the mani ,turbo an de cat gaskets, it picks up quicker and is quiter than my old ct9b, maybe the size of the wastgate?? Priming is a doddle, remove king lead and leave the return oil line off, crank the motor over till the oil runs out the tub, and your then good to go Didn't go hybrid as i didn't want the lag quite happy with around 200 bhp and the feel of the ct9 and like to be different John