The KB's have two different sleeve OD's. The standard is 4.620" and the oversize is 4.700". You need to order the oversize to get .100" wall thickness at 4.500". As far as a starting point for ID, I think you can specify when you order the block.
Last edited by 23T Hemmee; 12/11/1209:47 PM.
Ronny 6.789 @ 198.63 **.956 Brand New 60'*** 4.17@ 169 1/8th mile John 14:6
