This is about the type R head.. They say it is better for all motor aps.11sec CR-X said:From what I ve read on here from people who have compared them they are Identical its not like old school bseries which were polished valve and bowl work to a b16 head....ha ha I said old school b series![]()
It says PRC on the R head but they are the exact same.turboeg said:Does it say PRC or PRB on shell of a Type R head ?