{"product_id":"speedtek-t56-1st-to-4th-heavy-duty-dog-engagement-gearset-4-speed-dogbox-with-oem-mainshaft-copy","title":"Speedtek T56 1st to 4th Heavy Duty Dog Engagement Gearset - 4 Speed Dogbox with Heavy Duty 31 Spline Mainshaft","description":"\u003ch1\u003e\u003cspan\u003eSpeedtek T56 1st–4th Dog Engagement Gearset with Heavy Duty 31 Spline Mainshaft\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eHeavy-Duty Motorsport Transmission Gearset | Customisable Wide-Ratio \u0026amp; Close-Ratio Configurations\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Speedtek T56 1st–4th Dog Engagement Gearset is engineered for high-performance and competition applications where strength, reliability and gear ratio flexibility are essential.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned around a heavy-duty helical-cut gear configuration, this gearset allows you to fine-tune your transmission to suit your vehicle, engine characteristics and intended application. With multiple first, second and third gear ratio options available, you can configure your transmission for either a wide-ratio or close-ratio setup to suit your requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e4-Speed Dog Engagement Gearset - \u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003ePurpose-built for demanding motorsport applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eInput Shaft Options -\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Standard 26-spline configuration, with an optional 29-spline input shaft.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMultiple Input Shaft Applications -\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Available for a range of popular engine and vehicle platforms.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eAvailable Input Shaft Applications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eGM \/ Holden GTO and SS Commodore\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCadillac CTS-V\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFord Barra 4.0L\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFord Mustang\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eOther applications available upon request. Additional costs may apply.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eDesign \u0026amp; Performance Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eIndividually Removable Gears -\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Simplifies servicing, maintenance and component replacement.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eHeavy-Duty Helical-Cut Gear Design -\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Engineered with KissSoft for demanding competition use.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e42mm wide Input Shaft Drive and Driven Gears -\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Heavy-duty gear architecture designed for increased durability.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e7mm Thick Dog Rings -\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Built to withstand the demands of repeated dog engagement under competition conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eHeavy-Duty Chromoly Shift Forks -\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Designed for reliable gear selection under load.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e18-Spline Hub Design -\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Purpose-built for the gearset's engagement system.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eHeavy Duty Mainshaft - \u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e31 Spline Heavy Duty Proprietary Speedtek Mainshaft\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e5th–6th Gear Delete Tube\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Removes 5th \u0026amp; 6th Gears entirely.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003e4 Speed H Pattern Shifter Gate Mechanism -\u003c\/strong\u003e This is provided as standard in this Heavy Duty Kit.\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-pm-slice=\"1 1 []\"\u003e\u003cspan\u003e\u003cstrong\u003eDog Reverse Gear Assembly- \u003c\/strong\u003eThe reverse gear assembly is supplied as standard and includes all necessary components to convert your factory reverse gear to a dog engagement configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptional Isotropic Superfinishing – \u003c\/strong\u003ePrecision-polished gear surfaces designed to reduce friction, minimise operating noise, improve wear resistance and extend gear life, while helping manage operating temperatures and improve overall transmission efficiency.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eGear Ratio Options\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe Speedtek T56 gearset offers multiple ratio combinations, allowing you to tailor the transmission to your engine's powerband, tyre diameter, final-drive ratio and intended use.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cspan\u003eGear tooth counts are listed as main gear \/ counter gear.\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e1st Gear – Multiple Options\u003c\/span\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eRatio\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eTooth Count\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e2.01\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e20 \/ 11\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e2.22\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e22 \/ 11\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e2.49\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e27 \/ 12\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e2.68\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e29 \/ 12\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e2.96\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e32 \/ 12\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cspan\u003e2nd Gear\u003c\/span\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eRatio\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eTooth Count\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e1.73\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e25 \/ 16\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e1.94\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e28 \/ 16\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cspan\u003e3rd Gear\u003c\/span\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eRatio\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eTooth Count\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e1.28\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e24 \/ 19\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e1.40\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e21 \/ 19\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cspan\u003e4th, 5th \u0026amp; 6th Gear\u003c\/span\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eGear\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eRatio\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eConfiguration\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e4th\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1.00\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDirect drive\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e5th\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eOEM\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRetained OEM provision\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e6th\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eOEM\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRetained OEM provision\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eReverse:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e OEM configuration, with an optional reverse gear dog engagement assembly available.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cspan\u003eFinal gear combinations and compatibility are subject to the selected gearset configuration and application requirements.\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eOptional Upgrades\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eFurther customise your transmission with the following Speedtek upgrades:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eRace-Spec Short Shifter\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – For a more direct and precise gear-selection experience. (Made to order, 3-6 month lead time)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBillet Front Transmission Plate\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Compatible with the Tilton 8000 Series hydraulic release bearing.(Made to order, 3-6 month lead time)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eOil Spray Bar\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Optional targeted oil delivery for the 1st–4th gearset to support lubrication requirements in demanding applications. (In Stock)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eEngineered for Competition\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe Speedtek T56 1st–4th Dog Engagement Gearset combines a heavy-duty gear design with configurable ratios and application-specific options, giving builders and race teams greater flexibility when developing a competition transmission.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Speedtek Auto Racing","offers":[{"title":"GM Holden \/ 26 Spline \/ No","offer_id":50501065932992,"sku":"T56DB-HOL-26-HD","price":8250.0,"currency_code":"AUD","in_stock":true},{"title":"GM Holden \/ 26 Spline \/ Yes","offer_id":50501065965760,"sku":"T56DB-HOL-26-HD-ISF","price":8800.0,"currency_code":"AUD","in_stock":true},{"title":"GM Holden \/ 29 Spline \/ No","offer_id":50501065998528,"sku":"T56DB-HOL-29-HD","price":8500.0,"currency_code":"AUD","in_stock":true},{"title":"GM Holden \/ 29 Spline \/ Yes","offer_id":50501066031296,"sku":"T56DB-HOL-29-HD-ISF","price":9050.0,"currency_code":"AUD","in_stock":true},{"title":"Ford Falcon \/ 26 Spline \/ No","offer_id":50501066457280,"sku":"T56DB-FOR-26-HD","price":8250.0,"currency_code":"AUD","in_stock":true},{"title":"Ford Falcon \/ 26 Spline \/ Yes","offer_id":50501066490048,"sku":"T56DB-FOR-26-HD-ISF","price":8800.0,"currency_code":"AUD","in_stock":true},{"title":"Ford Falcon \/ 29 Spline \/ No","offer_id":50501066522816,"sku":"T56DB-FOR-29-HD","price":8500.0,"currency_code":"AUD","in_stock":true},{"title":"Ford Falcon \/ 29 Spline \/ Yes","offer_id":50501066555584,"sku":"T56DB-FOR-29-HD-ISF","price":9050.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/8075\/2832\/files\/482366631_1168362591597491_2057481160204766319_n.png?v=1744891099","url":"https:\/\/speedtekautoracing.com\/products\/speedtek-t56-1st-to-4th-heavy-duty-dog-engagement-gearset-4-speed-dogbox-with-oem-mainshaft-copy","provider":"Speedtek Auto Racing","version":"1.0","type":"link"}