{"title":"Synchros","description":"\u003cp\u003eIAG Performance carries Subaru STI and Legacy GT transmission synchros, including IAG carbon-faced brass synchro sets. Upgraded synchros improve shift quality and durability, making them a smart addition to any manual transmission rebuild, particularly for owners who experience grinding or hesitation between gears.\u003c\/p\u003e","products":[{"product_id":"iag-6mt-1-6-brass-synchro-gear-set-with-gears-4-6-carbon-faced-brass-2008-sti","title":"IAG 6 Speed Synchro Set 1st - 3rd Brass \/ 4th - 6th Carbon Faced - Brass for 08-21 STI","description":"\u003cp\u003eRebuilding 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.   \u003c\/p\u003e","brand":"IAG Performance","offers":[{"title":"Default Title","offer_id":48062462197978,"sku":"IAG-DRV-1040","price":789.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/8623\/0234\/files\/IAG-DRV-1040-01__53551.1654608222.1280.1280.jpg?v=1781530208"},{"product_id":"iag-1st-6th-carbon-synchro-set-for-2008-21-subaru-sti-6-speed","title":"IAG 1st - 6th Carbon Synchro Set for 2008-21 Subaru STI 6-Speed","description":"\u003ch2 style=\"text-align:center;\"\u003eIAG PERFORMANCE 1ST-6TH CARBON SYNCHRO SET FOR 2008 + STI\u003c\/h2\u003e\n\u003chr style=\"border:none;border-top:1px solid #e0e0e0;margin:24px 0;\"\u003e\n\u003cdiv class=\"video-embed\" style=\"position:relative;width:100%;padding-bottom:56.25%;height:0;overflow:hidden;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/e6v62VEg78k?start=0\u0026amp;end=0\u0026amp;autoplay=1\u0026amp;loop=1\u0026amp;mute=1\u0026amp;playlist=e6v62VEg78k\u0026amp;version=3\u0026amp;rel=0\" allowfullscreen loading=\"lazy\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003chr style=\"border:none;border-top:1px solid #e0e0e0;margin:24px 0;\"\u003e\n\u003cimg alt=\"IAG Performance 1st - 6th Carbon Synchro Set for 2008-21 Subaru STI 6-Speed\" loading=\"lazy\" src=\"https:\/\/i.shgcdn.com\/ffdad87d-636b-487a-b91a-ddaf67944351\/-\/format\/auto\/-\/preview\/3000x3000\/-\/quality\/lighter\/\" style=\"display:block;margin:0 auto;\"\u003e\n\u003ch2 style=\"text-align:center;\"\u003eIMPROVED SHIFTING \u0026amp; GREATER RELIABILITY\u003c\/h2\u003e\n\u003cdiv class=\"product-text\"\u003e\u003cp\u003eWhether you are rebuilding your six speed manual Subaru STI transmission or looking to upgrade your gearing, IAG’s 1st-6th Carbon Synchro Set will provide smoother shifting and increased reliability. Aggressive driving and shifting can lead to worn out or damaged synchros, which in turn, can cause gear grinding or even eventual damage to the transmission housing. The IAG Carbon Synchro Set is an essential upgrade for Subaru drivers looking to replace worn out synchros and to improve the shifting and performance of their STI. \u003c\/p\u003e\u003c\/div\u003e\n\u003cimg alt=\"IAG Performance 1st - 6th Carbon Synchros for 2008+ STI 6MT\" loading=\"lazy\" src=\"https:\/\/i.shgcdn.com\/f85848c3-b730-400b-8fa8-0241ecfc12af\/-\/format\/auto\/-\/preview\/3000x3000\/-\/quality\/lighter\/\" style=\"display:block;margin:0 auto;\"\u003e\n\u003ch2 style=\"text-align:center;\"\u003eENGINEERED FOR STRENGTH\u003c\/h2\u003e\n\u003cdiv class=\"product-text\"\u003e\u003cp\u003eThe IAG Carbon Synchro Set features dual carbon friction surfaces, which not only prolong the lifespan of the synchro sleeve and gear teeth, but it also allows for quicker and more precise shifting. The IAG Synchros are composed of superior Japanese brass, which is known for its high wear resistance, and its ability to be intricately machined. Our Carbon Synchro Set is precision machined for a superior shift feel and for strength.\u003c\/p\u003e\u003c\/div\u003e\n\u003cimg alt=\"IAG Carbon Synchro Rings for 2008-21 STI 6MT \" loading=\"lazy\" src=\"https:\/\/i.shgcdn.com\/5c1aaa51-34fa-4c3a-98ca-f8caf32b11fd\/-\/format\/auto\/-\/preview\/3000x3000\/-\/quality\/lighter\/\" style=\"display:block;margin:0 auto;\"\u003e\n\u003ch2 style=\"text-align:center;\"\u003eMORE SURFACE CONTACT\u003c\/h2\u003e\n\u003cdiv class=\"product-text\"\u003e\u003cp\u003eIAG’s Carbon Synchro Set was designed to provide more surface contact between the gears and the synchros, decreasing gear shift times by increasing grip for quicker engagement. This also improves the driving experience by requiring less force to engage the gear.\u003c\/p\u003e\u003c\/div\u003e\n\u003cimg alt=\"IAG 1st - 6th Carbon Synchro Set for 2008-21 STI 6-Speed Transmission\" loading=\"lazy\" src=\"https:\/\/i.shgcdn.com\/58197427-e22a-4c39-966e-28dc3e336a13\/-\/format\/auto\/-\/preview\/3000x3000\/-\/quality\/lighter\/\" style=\"display:block;margin:0 auto;\"\u003e\n\u003ch2 style=\"text-align:center;\"\u003eFULL SET INCLUDES ALL SYNCHROS\u003c\/h2\u003e\n\u003cdiv class=\"product-text\"\u003e\u003cp\u003eThe IAG 1st-6th Carbon Synchro Set comes as one complete kit. This Gear Set includes the first, second, third, fourth, fifth and sixth gear carbon-faced brass synchros. There is no need to source or piece together incomplete synchro sets or hunt for hard to find OEM parts; everything you need is contained in the IAG 1st-6th Carbon Synchro Set.\u003c\/p\u003e\u003c\/div\u003e","brand":"IAG Performance","offers":[{"title":"Default Title","offer_id":48062516232410,"sku":"IAG-DRV-1044","price":549.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/8623\/0234\/files\/IAG-DRV-1044-01__12192.1693937280.1280.1280.jpg?v=1781530456"},{"product_id":"iag-1st-6th-carbon-synchro-set-for-2004-early-2006-subaru-sti-6-speed","title":"IAG 1st - 6th Carbon Synchro Set for 2004 - Early 2006 Subaru STI 6-Speed","description":"\u003ch2 style=\"text-align:center;\"\u003eIAG PERFORMANCE 1ST-6TH CARBON SYNCHRO SET FOR 2004 - EARLY 2006 STI\u003c\/h2\u003e\n\u003chr style=\"border:none;border-top:1px solid #e0e0e0;margin:24px 0;\"\u003e\n\u003cdiv class=\"video-embed\" style=\"position:relative;width:100%;padding-bottom:56.25%;height:0;overflow:hidden;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/e6v62VEg78k?start=0\u0026amp;end=0\u0026amp;autoplay=1\u0026amp;loop=1\u0026amp;mute=1\u0026amp;playlist=e6v62VEg78k\u0026amp;version=3\u0026amp;rel=0\" allowfullscreen loading=\"lazy\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003chr style=\"border:none;border-top:1px solid #e0e0e0;margin:24px 0;\"\u003e\n\u003cimg alt=\"IAG Carbon Synchro Set for 2004 - Early 2006 STI 6 Speed\" loading=\"lazy\" src=\"https:\/\/i.shgcdn.com\/41a6cdc3-3100-4f0d-a3cb-eea3b71d8aa3\/-\/format\/auto\/-\/preview\/3000x3000\/-\/quality\/lighter\/\" style=\"display:block;margin:0 auto;\"\u003e\n\u003ch2 style=\"text-align:center;\"\u003eSHIFTS BETTER, LASTS LONGER\u003c\/h2\u003e\n\u003cdiv class=\"product-text\"\u003e\u003cp\u003eIAG’s Carbon Synchro Set is an essential upgrade if you are rebuilding your transmission or looking to get a little more performance out of your 2004-2006 Subaru STI. Worn out synchros, gear grinding and even transmission housing damage can occur from aggressive driving, forceful shifting, overuse, or even normal wear and tear. Our Carbon Synchro Set offers smoother shifting and improved reliability, it is a vital enhancement for your Subaru’s transmission.\u003c\/p\u003e\u003c\/div\u003e\n\u003cimg alt=\"IAG Carbon Synchro Set for 04-06 STI 6SPD\" loading=\"lazy\" src=\"https:\/\/i.shgcdn.com\/0ed2f225-a052-48f2-bfb4-1d65adb7a1eb\/-\/format\/auto\/-\/preview\/3000x3000\/-\/quality\/lighter\/\" style=\"display:block;margin:0 auto;\"\u003e\n\u003ch2 style=\"text-align:center;\"\u003eDESIGNED FOR DURABILITY\u003c\/h2\u003e\n\u003cdiv class=\"product-text\"\u003e\u003cp\u003eIAG’s STI 6 Speed Synchro Gear Set features dual carbon friction surfaces. This not only extends the life of the synchro sleeve and gear teeth but also allows for faster and more precise shifting. The IAG Synchros are made from Japanese brass, which is known for durability and its ability to be intricately machined. Our Carbon Faced Brass Synchro Set is precision machined, providing an enhanced shift feel and less wear between moving parts. \u003c\/p\u003e\u003c\/div\u003e\n\u003cimg alt=\"IAG 1st - 6th Carbon Synchros for 04-06 Subaru STI 6MT\" loading=\"lazy\" src=\"https:\/\/i.shgcdn.com\/39541a28-6cff-42a2-a0e6-f674f775cceb\/-\/format\/auto\/-\/preview\/3000x3000\/-\/quality\/lighter\/\" style=\"display:block;margin:0 auto;\"\u003e\n\u003ch2 style=\"text-align:center;\"\u003eINCREASED SURFACE CONTACT\u003c\/h2\u003e\n\u003cdiv class=\"product-text\"\u003e\u003cp\u003eEach IAG Synchro Set was designed to maximize surface contact between the gears and synchros. This decreases gear shift times in your Subaru STI 6 speed transmission by increasing the grip for quicker engagement. Increased surface contact also enhances the driving experience by demanding less effort to engage the gear.\u003c\/p\u003e\u003c\/div\u003e\n\u003cimg alt=\"IAG 1st - 6th Carbon Synchro Set for 2004-06 STI 6-Speed Manual Transmission\" loading=\"lazy\" src=\"https:\/\/i.shgcdn.com\/29eca5f4-f9df-4ddd-9eec-2d5b4db57227\/-\/format\/auto\/-\/preview\/3000x3000\/-\/quality\/lighter\/\" style=\"display:block;margin:0 auto;\"\u003e\n\u003ch2 style=\"text-align:center;\"\u003eALL SYNCHROS INCLUDED IN SET\u003c\/h2\u003e\n\u003cdiv class=\"product-text\"\u003e\u003cp\u003eUnlike the available OEM Synchros, this Synchro Set includes the first, second, third, fourth, fifth and sixth gear carbon synchros. There’s no need to search for missing synchros or hunt down rare OEM parts. Everything you need comes in the IAG Six Speed Carbon Synchro Set.\u003c\/p\u003e\u003c\/div\u003e","brand":"IAG Performance","offers":[{"title":"Default Title","offer_id":48062516297946,"sku":"IAG-DRV-1045","price":549.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/8623\/0234\/files\/IAG-DRV-1045-01__87519.1694011515.1280.1280.jpg?v=1781530457"},{"product_id":"iag-1st-6th-carbon-synchro-set-for-late-2006-07-sti-07-09-lgt-spec-b-6-speed","title":"IAG 1st - 6th Carbon Synchro Set for Late 2006-07 STI, 07-09 LGT Spec B 6-Speed","description":"\u003ch2 style=\"text-align:center;\"\u003eIAG 1ST-6TH CARBON SYNCHRO SETFOR 2006-07 STI \u0026amp; 2007-09 LGT SPEC B\u003c\/h2\u003e\n\u003chr style=\"border:none;border-top:1px solid #e0e0e0;margin:24px 0;\"\u003e\n\u003cdiv class=\"video-embed\" style=\"position:relative;width:100%;padding-bottom:56.25%;height:0;overflow:hidden;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/e6v62VEg78k?start=0\u0026amp;end=0\u0026amp;autoplay=1\u0026amp;loop=1\u0026amp;mute=1\u0026amp;playlist=e6v62VEg78k\u0026amp;version=3\u0026amp;rel=0\" allowfullscreen loading=\"lazy\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003chr style=\"border:none;border-top:1px solid #e0e0e0;margin:24px 0;\"\u003e\n\u003cimg alt=\"IAG Performance 1st - 6th Carbon Synchro Set For Late 2006-07 STI \u0026amp; 2007-09 LGT Spec B \" loading=\"lazy\" src=\"https:\/\/i.shgcdn.com\/3ce3eeef-1d11-4fa9-9089-a495ba69f2b1\/-\/format\/auto\/-\/preview\/3000x3000\/-\/quality\/lighter\/\" style=\"display:block;margin:0 auto;\"\u003e\n\u003ch2 style=\"text-align:center;\"\u003eIMPROVED SHIFTING, LONGER LIFESPAN\u003c\/h2\u003e\n\u003cdiv class=\"product-text\"\u003e\u003cp\u003eForceful driving and aggressive shifting can wear down or harm synchros, potentially resulting in gear grinding or even damage to the transmission housing. The IAG Carbon Synchro Set is a great solution and an essential upgrade if you are rebuilding or upgrading the gearing in your Late 2006-2007 STI or 2007-2009 Legacy GT Spec B transmission. IAG’s Synchro Gear Set will give you smoother shifting and improved reliability.\u003c\/p\u003e\u003c\/div\u003e\n\u003cimg alt=\"IAG 1st - 6th Carbon Synchros for Late 2006-07 STI \u0026amp; 2007-09 LGT Spec B \" loading=\"lazy\" src=\"https:\/\/i.shgcdn.com\/9311c550-1adf-4c9d-a558-884ecb8a0345\/-\/format\/auto\/-\/preview\/3000x3000\/-\/quality\/lighter\/\" style=\"display:block;margin:0 auto;\"\u003e\n\u003ch2 style=\"text-align:center;\"\u003eSUPERIOR QUALITY \u0026amp; STRENGTH\u003c\/h2\u003e\n\u003cdiv class=\"product-text\"\u003e\u003cp\u003eIAG's Subaru STI 6 Speed Carbon Synchro Set features dual carbon friction surfaces, extending the life of both the synchro sleeve and gear teeth, while also allowing for faster and more precise shifting. The IAG Synchros are made from Japanese brass, which is known for its durability and ability to be intricately machined. Our Carbon Synchro Set is precision machined, resulting in an improved shift feel and reduced wear between moving components.\u003c\/p\u003e\u003c\/div\u003e\n\u003cimg alt=\"IAG Carbon Synchros for 06-07 STI \u0026amp; 07-09 LGT Spec B 6-Speed\" loading=\"lazy\" src=\"https:\/\/i.shgcdn.com\/98d24159-7a3c-4ca0-adaf-0db477b3b3e4\/-\/format\/auto\/-\/preview\/3000x3000\/-\/quality\/lighter\/\" style=\"display:block;margin:0 auto;\"\u003e\n\u003ch2 style=\"text-align:center;\"\u003eINCREASED SURFACE CONTACT\u003c\/h2\u003e\n\u003cdiv class=\"product-text\"\u003e\u003cp\u003eThe IAG Carbon Synchro Set is designed to have increased surface contact between the gears and the synchros. This allows for quicker gear engagement, which decreases shift times. The increased surface contact also provides a better driving experience by using less effort to change gears.\u003c\/p\u003e\u003c\/div\u003e\n\u003cimg alt=\"IAG 1st - 6th Carbon Synchro Set For Late 06-07 STI \u0026amp; 07-09 Legacy GT Spec B \" loading=\"lazy\" src=\"https:\/\/i.shgcdn.com\/b63774d8-6e40-45b9-8deb-84506423a028\/-\/format\/auto\/-\/preview\/3000x3000\/-\/quality\/lighter\/\" style=\"display:block;margin:0 auto;\"\u003e\n\u003ch2 style=\"text-align:center;\"\u003eALL SYNCHROS INCLUDED IN SET\u003c\/h2\u003e\n\u003cdiv class=\"product-text\"\u003e\u003cp\u003eIAG's Carbon Synchro Gear Set is sold as a complete kit, with all carbon synchros included. This Synchro Set includes the first, second, third, fourth, fifth and sixth gear carbon synchros. No need to hunt for missing synchros or seek out rare OEM parts, the IAG Carbon Synchro Set contains everything you need to upgrade the synchros in your Late 2006-2007 Subaru STI or 2007-2009 Legacy GT Spec B transmission.\u003c\/p\u003e\u003c\/div\u003e","brand":"IAG Performance","offers":[{"title":"Default Title","offer_id":48062516887770,"sku":"IAG-DRV-1046","price":549.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/8623\/0234\/files\/IAG-DRV-1046-01__27764.1694011587.1280.1280.jpg?v=1781530458"}],"url":"https:\/\/www.iagperformance.com\/collections\/drivetrain-transmissions-transmission-internals-synchros.oembed","provider":"IAG Performance","version":"1.0","type":"link"}