Originally Posted by
22Racer
I guess I'm not totally understanding what your trying to ask? You can interchange all Go .21 internals. Also everything fits Novarossi, I put a Go crank and rod in a P5x and it ran better than before.
Rex
+1...I installed a Go 5 port piston, rod, and sleeve combo into my p5xs and it runs great!
I've never tried installing Go 5 port internals into my 3 port R....yet, but as soon as my 3 port R loses compression, I'll try installing the 5 port internals into it.