just to add my 2 pennys worth....my k04 died so i got a brand new k04 and got cr to hybrid it. it looks spot on! im yet to fit it as im waiting on my manifold turning up so as soon as it does i will post and let you guys know what it produces as soon as she gets on the rollers.had my brother check it over and hes happy with it so im good with that! hes former p.t.s,a1 rally sport,prodrive, etc etc so he knows his stuff! he has never had any problems with cr so when i told him they get stick on here he told me to relax they have always built him good hybrids! we shall see as soon as my ****** manifold turns up!