a few new ??? for you guys
I dont know I called bme and they said I need the build sheet for them that I have not had in a few years even asked if the #'s on them would help nope sorry cannt help you..but the spec sheet that came with the rings said street is bore time *.0045 top and bore * .0035 second ring so I I got 4.070*.0045=0.018315top and 4.070*.0035=0.014245 what do you think I should be at on the second ring or both