Sleeve & Hub 6MT 3rd/4th Pad Shims This bearing lightly presses into

This bearing lightly presses into the front end of the differential housing and pinion shaft just behind the driveshaft companion flange

and improve tooth contact

STI MY18-21 w/ Brembo Front Calipers

Returning the core for refund is optional (if you wish to buy the new transmission outright)

ILFR6B (Subaru 22401AA630)

Sleeve & Hub 6MT 3rd/4th Pad Shims This bearing lightly presses intoSleeve and hub assembly for 3rd 4th gear selection for 6MT TY856 applications. This is an updated part. Transmissions with serial number below #060061 (09 2004) require updating related parts (3rd 4th shift fork). Gear clash due to missed shifts or worn synchros will cause damage to the synchro dog teeth. If the sharp angles on the leading edges of the sleeve (slider) become rounded over or damaged shift performance will suffer. In severe cases a burr