head compatibility

integranewbie · August 21, 2009, 5:54pm

ok im sure this is a newb qeustion and very simple but i just want to be sure and to make sure there is no modding needed to use…
i have a 90 rs has the A1 head casting PR4, can a B1 head casting P75 bolt right up and change nothing?

thanks

icemanGSR · August 21, 2009, 6:07pm

yes.

integranewbie · August 21, 2009, 6:14pm

good deal thanks:)