Replacement O-Ring.
This O-ring is to suit Aeroflow Performance GM LS throttle body 4 bolt to 3 bolt flanges (AF64-2152). Suits GM LS 90mm and 95mm throttle bodies
Made from Viton. This is a great replacement for those that have damaged the O-ring on the flange and require a replacement.
* to 3 Bolt Flange