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Transmission Internals

Subaru Internal Manual Transmission Parts

Transmission Internals

IAG Performance sells Transmission Internals that is designed to work with your 2002-23 WRX, STI, Forester XT, Legacy GT, and BRZ. We have a large selection of Transmission Internals such as Gear Sets, Synchros, Transfer Gears, and more.


Here are just a few of the brands we carry-
Albins, IAG Performance, Pfitzner, RalliSpec

Fast Shipping
Military Discount
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Easy Returns