Oct 16, 2025 #1 T Trbobuick Boost addict Joined Sep 1, 2001 Messages 659 Hello. Does anybody know what size the o-ring is on the upper plenum in a BGC intake?
Yesterday at 10:21 PM #2 D davinci50 Member Joined Apr 15, 2007 Messages 129 i believe its a hydropack part # 2-365N70