Xceldyne Exhaust Valve Seat (2-Pak) - Yamaha YZ450F - XESM1265-310-A25 ^Sale

Exhaust valve seat, 2-pack, confirmed for the Yamaha YZ450F. Serco does not stock this literal code; its size code ("310") does not exactly match any sibling, but the closest Yamaha YZ450F listing (XESM1189, code 315) is used as the reference. Price and image carried over from XESM1189.