There are different size piston rings. Need to order correct size rings.

My friend you can order the J&S set-up is good friends w/the owner of J&S, here is his website. http://www.american-pi.com/corvair/corvhome.html

His name is Ray & can tell you which sytem will work for you & can help you w/any questions.

MBHD


12 port SDS EFI