Yes if you mean usdm pistons in a jdm block. Usdm gsr compression I believe is 10:1 and jdm gsr is 10:6 compression and p30 in a gsr block should be around 11:8:1 give or take. (These are not exact numbers but close)
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.
