TREMEC TKO 500 / 600 SHIFT RAIL GUIDE O-RINGS 2605812

TREMEC TKO 500 / 600 SHIFT RAIL GUIDE O-RINGS. Fits all models of the TKO 5-speed. This is the O-ring that seals the shift rails in the top cover.  Each transmission uses 6 of them and we recommend replacing them any time you disassemble the transmission. Sold individually.  Tremec part# 2605812