Well my friend got a 440 kit for his 400ex,but this guy in Bakersfield, California named porter is charging 400 dollars to do it all. I now found a person that knows how to do this, but we need to find a machine shop or sumwere to bore the sleves.


any tips in were to find 1 would help

I know 250rforlife u live in bakersfield know any good spot?


thanks