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Vendor:IAG PerformanceIAG 1st - 6th Carbon Synchro Set for 2008-21 Subaru STI 6-Speed
Regular price $549.99Sale price $549.99 Regular priceUnit price per -
Vendor:IAG PerformanceIAG 1st - 6th Carbon Synchro Set for 2004 - Early 2006 Subaru STI 6-Speed
Regular price $549.99Sale price $549.99 Regular priceUnit price per -
Vendor:IAG PerformanceIAG Competition Series Transmission Shift Finger with Spring Pin for 04-21 Subaru STI
Regular price $279.99Sale price $279.99 Regular priceUnit price per -
Vendor:IAG PerformanceIAG 1st - 6th Carbon Synchro Set for Late 2006-07 STI, 07-09 LGT Spec B 6-Speed
Regular price $549.99Sale price $549.99 Regular priceUnit price per -
Vendor:IAG PerformanceIAG Performance Chromoly Transfer Gears For 1.1:1 Transmission (06+ 6-Speed STI)
Only 16 leftRegular price $1,499.99Sale price $1,499.99 Regular priceUnit price per -
Vendor:IAG PerformanceIAG Replacement Yoke and Universal Joint Set for Transfer Gears IAG-DRV-1000, IAG-DRV-1010
Only 1 leftRegular price $199.99Sale price $199.99 Regular priceUnit price per -
Vendor:IAG PerformanceIAG Performance Chromoly Transfer Gears For 1:1 Transmission (04-05 6-Speed STI)
Only 4 leftRegular price $1,499.99Sale price $1,499.99 Regular priceUnit price per -
Vendor:IAG PerformanceIAG 6 Speed Synchro Set 1st - 3rd Brass / 4th - 6th Carbon Faced - Brass for 08-21 STI
Regular price $789.99Sale price $789.99 Regular priceUnit price per -
Vendor:PfitznerPPG Billet Selector Forks & Finger Kit for 2007-21 Subaru STI, 07-09 LGT Spec B 6 Speed
Only 5 leftRegular price $1,699.99Sale price $1,699.99 Regular priceUnit price per -
Vendor:RalliSpecRalliSpec JDM Close Ratio 5th/6th Gear Set for 2004-06 Subaru STI
Regular price $549.99Sale price $549.99 Regular priceUnit price per -
Vendor:SubaruSubaru 3RD-6TH Gear Driven Keyway for 08-24 WRX, 08-21 STI
Regular price $5.15Sale price $5.15 Regular priceUnit price per -
Vendor:PfitznerPPG V2 1st-4th Drag Gear Set w/ 26 Spline for 2007-21 Subaru STI 6 Speed
Only 1 leftRegular price $9,999.99Sale price $9,999.99 Regular priceUnit price per -
Vendor:PfitznerPPG V2 1st-4th Drag Gear Set w/ OEM Spline for 2007-21 Subaru STI 6 Speed
Only 2 leftRegular price $9,999.99Sale price $9,999.99 Regular priceUnit price per
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