{"title":"Gear Sets","description":"\u003cp\u003eShop Subaru WRX and STI transmission gear sets at IAG Performance, including IAG\/SPEC straight-cut synchro gear sets and Albins and PPG drag racing gear sets. These gear sets are built for builds ranging from daily-driven manual transmissions to dedicated drag and time attack applications, with straight-cut options offering quicker, more positive engagement at the cost of additional gear noise.\u003c\/p\u003e","products":[{"product_id":"iag-replacement-yoke-and-universal-joint-set-for-transfer-gears-iag-drv-1000-iag-drv-1010","title":"IAG Replacement Yoke and Universal Joint Set for Transfer Gears IAG-DRV-1000, IAG-DRV-1010","description":"\u003cp\u003eIAG Replacement Yoke and Universal Joint Set for Transfer Gears IAG-DRV-1000, IAG-DRV-1010\u003c\/p\u003e","brand":"IAG Performance","offers":[{"title":"Default Title","offer_id":48062307270874,"sku":"IAG-RPL-1000","price":199.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/8623\/0234\/files\/apijwawek__20296.1633558569.1280.1280.jpg?v=1781529596"},{"product_id":"ppg-v2-subaru-1st-4th-drag-gear-set-26-spline-07-21-sti","title":"PPG V2 1st-4th Drag Gear Set w\/ 26 Spline for 2007-21 Subaru STI 6 Speed","description":"\u003cp\u003eThe PPG SU-6S4GV2DB-GA 1st-4th Drag Gear Set is manufactured to suit the OEM Subaru 6 speed transmission case. Designed as a drag racing specific gear set it features huge gears, which is the perfect drivetrain upgrade for manual transmission powered Subaru's heading into the 7 second ET bracket.​\u003c\/p\u003e\n\u003cp\u003eThe Pfitzner SU-6S4GV2DB-GA 4-speed Drag racing gear set has been developed for SUBARU WRX STI 6 speed gearbox. It has a T56 style 26-spline 2-piece input shaft along with its dog-tooth profile and straight cut gears enables it to handle dramatic increases in power - as well as cope with the stresses caused by the harsh acceleration and excessive levels of grip that are experienced only in Drag racing – especially in the case of four-wheel-drive cars.\u003c\/p\u003e\n\u003cp\u003eThe gear set has been designed to provide drivers with instant gear selection, clutch-less shifting and a perfect ratio combination that is matched to the final-drive, wheel and tyre sizes – qualities that make it ideal for Drag racing. However, before being offered for sale, the SU-6S4GV2DB-GA system was put through a rigorous test and development program and then proven in real motorsport conditions to ensure it would cope with the extreme demands of this category of motorsport.\u003c\/p\u003e\n\u003cp\u003ePPG’s arduous prototyping process gives its products their legendary strength, durability and reliability. Therefore, the SU-6S4GV2DB-GA gear set and final drive delivers an outstanding performance at a realistic price and is the only transmission system that has RATIO - 3.077 - 1.875 - 1.350 - 0.957 been able to propel a SUBARU STI WRX over a quarter-mile into 7-second times. No wonder it is regarded as the best of its kind and is now the product of choice for Drag racers who use Subaru's – some of them running engines that produce well in excess of 1000hp!\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eFeatures:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eT56 26-Spline 2-piece Input Shaft (Increased Strength) - Requires Special Clutch\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Pfitzner","offers":[{"title":"Default Title","offer_id":48062440407258,"sku":"SU-6S4GV2DB-GA-07UP","price":9999.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/8623\/0234\/files\/SU-6S4GV2DB-GA-07UP-01__16078.1725558453.1280.1280.jpg?v=1781530125"},{"product_id":"ppg-v2-1st-4th-drag-gear-set-w-oem-spline-for-2007-21-subaru-sti-6-speed","title":"PPG V2 1st-4th Drag Gear Set w\/ OEM Spline for 2007-21 Subaru STI 6 Speed","description":"\u003cp\u003eThe PPG SU-6S4GV2DB-OEM-GA 1st-4th Drag Gear Set to suit the OEM Subaru 6 speed casing is a drag racing specific gear set only. Featuring huge gears, this set is the perfect drivetrain upgrade for manual transmission powered Subaru's heading into the 7 second ET bracket.​\u003c\/p\u003e\n\u003cp\u003eThe Pfitzner SU-6S4GV2DB-OEM-GA 4-speed Drag racing gear set has been developed for SUBARU WRX STI 6 speed gearbox. It has a OEM spline 2-piece input shaft along with its dog-tooth profile and straight cut gears enables it to handle dramatic increases in power - as well as cope with the stresses caused by the harsh acceleration and excessive levels of grip that are experienced only in Drag racing – especially in the case of four-wheel-drive cars.\u003c\/p\u003e\n\u003cp\u003eThe gear set has been designed to provide drivers with instant gear selection, clutch-less shifting and a perfect ratio combination that is matched to the final-drive, wheel and tyre sizes – qualities that make it ideal for Drag racing. However, before being offered for sale, the SU-6S4GV2DB-OEM-GA system was put through a rigorous test and development programme and then proven in live motorsport conditions to ensure it would cope with the extreme demands of this category of motorsport.\u003c\/p\u003e\n\u003cp\u003ePPG’s arduous prototyping process gives its products their legendary strength, durability and reliability. Therefore, the SU-6S4GV2DB-OEM-GA gear set and final drive delivers an outstanding performance at a realistic price and is the only transmission system that has RATIO - 3.077 - 1.875 - 1.350 - 0.957 been able to propel a SUBARU STI WRX over a quarter-mile into 7-second times. No wonder it is regarded as the best of its kind and is now the product of choice for Drag racers who use Subaru's – some of them running engines that produce well in excess of 1000hp!\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eFeatures:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOEM Spline 2-Piece Input Shaft - Works with any Subaru Clutch\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Pfitzner","offers":[{"title":"Default Title","offer_id":48062440603866,"sku":"SU-6S4GV2DB-OEM-GA-07UP","price":9999.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/8623\/0234\/files\/SU-6S4GV2DB-GA-07UP-01__11778.1725559986.1280.1280.jpg?v=1781530126"},{"product_id":"ppg-subaru-6spd-billet-selector-fork-kit-finger-for-2007-21-subaru-sti-6-speed","title":"PPG Billet Selector Forks \u0026 Finger Kit for 2007-21 Subaru STI, 07-09 LGT Spec B  6 Speed","description":"\u003cp\u003eThis brand new product is designed to replace the stock selector forks and finger in the 6 speed Subaru gearbox. Targeted for street use customers, this product will also suit drag and circuit work where the OEM Gears are still being used.\u003c\/p\u003e\n\u003cp\u003eThese can be bought as a full replacement set or the individual part needed can be bought!\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eKey Benefits:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eProvide a positive and repeatable gear shift that reduces poor feel.\u003c\/li\u003e\n\u003cli\u003eIncreased strength and durability.\u003c\/li\u003e\n\u003cli\u003eAerospace Grade Steel\u003c\/li\u003e\n\u003cli\u003eFits all 6 speed Subaru Sti gearboxes with OEM Gears.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eKits Set Includes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1st - 2nd Selector Fork\u003c\/li\u003e\n\u003cli\u003e3rd - 4th Selector Fork\u003c\/li\u003e\n\u003cli\u003e5th - 6th Selector Fork\u003c\/li\u003e\n\u003cli\u003eReverse Finger\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e*Note - Will Not Work with dog boxes\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Pfitzner","offers":[{"title":"Default Title","offer_id":48062444241114,"sku":"SU-6SPD-SHIFT-KIT-GA","price":1699.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/8623\/0234\/files\/SU-6SPD-SHIFT-KIT-GA-01__31396.1725560536.1280.1280.jpg?v=1781530134"},{"product_id":"iag-competition-series-transmission-shift-finger-with-spring-pin-for-04-21-subaru-sti","title":"IAG Competition Series Transmission Shift Finger with Spring Pin for 04-21 Subaru STI","description":"\u003ch2 style=\"text-align:center;\"\u003eIAG COMPETITION SERIES TRANSMISSION SHIFT FINGER WITH SPRING PIN FOR 04-21 SUBARU STI\u003c\/h2\u003e\n\u003chr style=\"border:none;border-top:1px solid #e0e0e0;margin:24px 0;\"\u003e\n\u003cimg alt=\"\" loading=\"lazy\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0828\/8623\/0234\/files\/Unknown-979.png\" 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 Subaru STI six speed transmission is reknowned for it's strength, but it's not bulletproof. One common point of failure is the OEM shift finger. This small piece can cause big problems when it breaks. The IAG Shift Finger is designed to be significantly stronger than the OEM unit. By adding additional support to the finger and utilizing specialized tool steel this unit is designed to provide years of trouble-free operation.\u003c\/p\u003e\u003c\/div\u003e\n\u003cimg alt=\"\" loading=\"lazy\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0828\/8623\/0234\/files\/Unknown-980.jpg\" style=\"display:block;margin:0 auto;\"\u003e\n\u003ch2 style=\"text-align:center;\"\u003eIMPROVED MATERIALS\u003c\/h2\u003e\n\u003cdiv class=\"product-text\"\u003e\u003cp\u003eThis part is constructed of A2 tool steel. AISI A2 Tool Steel is an air-hardening grade of steel that contains 5% chromium. A2 is noted for its toughness and exceptional dimensional stability in heat treatment. These characteristics make it a versatile tool steel which is perfect for this application.\u003c\/p\u003e\u003c\/div\u003e\n\u003cimg alt=\"\" loading=\"lazy\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0828\/8623\/0234\/files\/Unknown-981.jpg\" style=\"display:block;margin:0 auto;\"\u003e\n\u003ch2 style=\"text-align:center;\"\u003eOEM FITMENT\u003c\/h2\u003e\n\u003cdiv class=\"product-text\"\u003e\u003cp\u003eThe IAG Shift Finger is designed to fit perfectly inside the OEM STI 6 speed transmission. The included FHI spring pin fits perfectly and allows installation without any internal transmission modifications. \u003c\/p\u003e\u003c\/div\u003e\n\u003cimg alt=\"\" loading=\"lazy\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0828\/8623\/0234\/files\/Unknown-982.jpg\" style=\"display:block;margin:0 auto;\"\u003e\n\u003ch2 style=\"text-align:center;\"\u003eCNC MACHINED IN THE USA\u003c\/h2\u003e\n\u003cdiv class=\"product-text\"\u003e\u003cp\u003eWe're proud to say that our products are manufactured right here in our facility in Westminster, MD. IAG Performance was founded in 2007 as an innovator in Subaru performance products. We offer a wide variety of problem-solving aftermarket products. Our friendly, USA based, support staff is also here to help with any installation questions you might have.\u003c\/p\u003e\u003c\/div\u003e","brand":"IAG Performance","offers":[{"title":"Default Title","offer_id":48062478319834,"sku":"IAG-DRV-1043","price":279.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/8623\/0234\/files\/IAG-DRV-1043-01__06044.1664802550.1280.1280.jpg?v=1781530273"},{"product_id":"rallispec-jdm-close-ratio-5th-6th-gear-set","title":"RalliSpec JDM Close Ratio 5th\/6th Gear Set for 2004-06 Subaru STI","description":"\u003cp\u003eThe RalliSpec Gear Set for the USDM STI 6 Speed converts to the shorter\/closer ratio 5th\/6th JDM gearing. The gear change reduces the 4th-5th shift bog and allows for a more useable 5th and 6th gear. Best suited for use with USDM MY04-06 gearing. Kit includes 5th drive gear, 6th drive gear, 5th\/6th driven gear cluster, and adapter keyway.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGear Ratios:\u003c\/strong\u003e 1.062 (5th) \/ 0.842 (6th)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Subaru\/RalliSpec\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e Subaru STI MY01-06\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eTechnical FAQ:\u003c\/p\u003e\n\u003cp\u003eDoes this kit come with the carbon synchros for 4th,5th, and 6th?\u003c\/p\u003e\n\u003cp\u003eNo. RalliSpec used to offer a kit with the carbon synchros but have split it up. The carbon synchros can be purchased separately.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eIs it possible to install these gears on MY07 and newer STI or on Legacy Spec B models?\u003c\/p\u003e\n\u003cp\u003eYes, its possible to install them but the ratios will not work well. These models have a taller 2nd, 3rd, and 4th gear ratios. The 4th gear to 5th gear ratio difference will be very small making the 4th-5th shift almost pointless.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eWhich is the better option: the close ratio 5th\/6th kit or the tall ratio 2nd-6th kit?\u003c\/p\u003e\n\u003cp\u003eIt depends on the application. The close ratio 5th\/6th is more suitable for rally applications and shorter tracks. The 2nd-6th kit is more suitable for longer tracks and drag racing.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eWhat are the effects of a shorter 6th gear on the highway?\u003c\/p\u003e\n\u003cp\u003eThe 6th gear ratio difference is about 10% so there will be about a 10% increase in rpms for the same road speed. This will have some negative effect on the highway fuel economy.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eWhat is the purpose of the \"adapter keyway\"?\u003c\/p\u003e\n\u003cp\u003eSubaru has changed the keyway width for the driven gear shaft from wide to narrow. They have discontinued selling many of the wide keyway gears and normally this would require replacing the driven gear shaft and 3rd\/4th driven gear at the same time which is a significant additional cost. RalliSpec is producing an adapter keyway that allows a narrow keyway gear to be installed on to a wide keyway shaft. Subaru began using the narrow keyway on the USDM Spec B and MY07 and newer STI models so basically all applications that this set is suitable for require using the adapter keyway.\u003c\/p\u003e","brand":"RalliSpec","offers":[{"title":"Default Title","offer_id":48062481236186,"sku":"RST-1145","price":549.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/8623\/0234\/files\/RST-1145-01__57285.1669989435.1280.1280.jpg?v=1781530287"},{"product_id":"subaru-3rd-6th-gear-driven-keyway-for-08-24-wrx-08-21-sti","title":"Subaru 3RD-6TH Gear Driven Keyway for 08-24 WRX, 08-21 STI","description":"\u003cp\u003eSubaru 3RD-6TH Gear Driven Keyway for 08-24 WRX, 08-21 STI\u003c\/p\u003e","brand":"Subaru","offers":[{"title":"Default Title","offer_id":48062573576410,"sku":"053107250","price":5.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/8623\/0234\/files\/053107250-01__97475.1736539142.1280.1280.jpg?v=1781530722"}],"url":"https:\/\/www.iagperformance.com\/collections\/drivetrain-transmissions-transmission-internals-gearsets.oembed","provider":"IAG Performance","version":"1.0","type":"link"}