IAG Performance IAG-DRV-1040 IAG 6 Speed Synchro Set 1 - 3 Brass / 4 - 6 Carbon Faced - Brass for 08-21 STI

Rebuilding your Subaru 6MT transmission or upgrading your gears? The IAG 6 Speed Synchro package for the 2008-21 STI includes a 1st, 2nd and 3rd gear brass syncronizer set as well as 4th, 5th and 6th gear carbon faced brass baulk rings. The OEM carbon faced baulk rings are known for improved shifting and longevity and are a popular upgrade when rebuilding GR and VA STI 6 Speeds.

This Part Fits:

Year	Make	Model	Submodel	Notes
2008	Subaru	Impreza	WRX STI
2009	Subaru	Impreza	WRX STI
2010	Subaru	Impreza	WRX STI
2011	Subaru	Impreza	WRX STI
2012	Subaru	Impreza	WRX STI
2013	Subaru	Impreza	WRX STI
2014	Subaru	Impreza	WRX STI
2011	Subaru	Impreza	WRX STI Limited
2012	Subaru	Impreza	WRX STI Limited
2013	Subaru	Impreza	WRX STI Limited
2014	Subaru	Impreza	WRX STI Limited
2010	Subaru	Impreza	WRX STI Special Edition
2012	Subaru	WRX	STI
2013	Subaru	WRX	STI
2014	Subaru	WRX	STI
2015	Subaru	WRX	STI
2016	Subaru	WRX	STI
2013	Subaru	WRX STI	Base
2014	Subaru	WRX STI	Base
2015	Subaru	WRX STI	Base
2016	Subaru	WRX STI	Base
2017	Subaru	WRX STI	Base
2018	Subaru	WRX STI	Base
2019	Subaru	WRX STI	Base
2020	Subaru	WRX STI	Base
2021	Subaru	WRX STI	Base
2020	Subaru	WRX STI	Kanrai Edition
2015	Subaru	WRX STI	Launch Edition
2015	Subaru	WRX STI	Limited
2016	Subaru	WRX STI	Limited
2017	Subaru	WRX STI	Limited
2018	Subaru	WRX STI	Limited
2019	Subaru	WRX STI	Limited
2020	Subaru	WRX STI	Limited
2021	Subaru	WRX STI	Limited
2019	Subaru	WRX STI	S209
2016	Subaru	WRX STI	Series.HyperBlue
2017	Subaru	WRX STI	Sport
2018	Subaru	WRX STI	Sport
2019	Subaru	WRX STI	Sport
2020	Subaru	WRX STI	Sport
2018	Subaru	WRX STI	STI
2019	Subaru	WRX STI	STI
2020	Subaru	WRX STI	STI
2014	Subaru	WRX STI	Tsurugi Edition
2018	Subaru	WRX STI	Type RA