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Ships within 48 hours · Estimated delivery Aug 24 - Aug 29
: 84912CA120 (RH)
STI MY08-21 w/ COBB Ti Exhaust
Supplied with REM ISF© treatment as standard (included in price)
EJ251/EJ253 MY04-08
Impreza MY02-03 (JDM MY01-02) (all models)
6th Drive Gear TY856 6MT Ratio 0.842 REM ISF:Yes (+$50) : 84912CA120 (RH)6th drive gear for 6 speed manual transmissions with trans ID codes starting with "TY856". This is for close (short) ratio 5th 6th applications including JDM STI. Optional REM ISF (superfinishing) treatment. ISF is a precisely controlled treatment that reduces surface roughness left from the machining processes thereby improving reliability, reducing friction, and all but eliminating break in requirements and the resulting swarf. Ideally, we recommend
