{"product_id":"nissan-silvia-180sx-200sx-240sx-ca18-sr20-rb20-fj20-close-ratio-dog-engagement-gearset-dogbox-gearset-kit","title":"Speedtek=Silvia SR20 FS5W71C Close Ratio Dog Engagement Gearset Dogbox 71C","description":"\u003cdiv data-offset-key=\"fcukc-0-0\" data-editor=\"4qk83\" data-block=\"true\" class=\"\"\u003e\n\u003cdiv class=\"_1mf _1mj\" data-offset-key=\"fcukc-0-0\"\u003e\n\u003cp\u003eOur gearsets have been proven across various platforms, and now it's time to support everyone with the small case transmissions typically found in SR20, CA18, KA24, RB20, and RB25DE powered vehicles.\u003c\/p\u003e\n\u003cp\u003eThis kit includes forks and gears, shafts, dog rings, and hubs. You can retain the factory 5th gear and reverse gears.\u003c\/p\u003e\n\u003cp\u003eWe offer an option for the 5th and reverse gear, which can be paired with either a heavy-duty mainshaft for optimal performance or used with the factory mainshaft. The upgraded mainshaft has been enlarged to create a stronger transmission, capable of handling up to 600HP when combined with the enhanced 5th gear.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-offset-key=\"m106-0-0\" data-editor=\"4qk83\" data-block=\"true\" class=\"\"\u003e\n\u003cdiv class=\"x11i5rnm xat24cr x1mh8g0r x1vvkbs xtlvy1s x126k92a\"\u003e\n\u003cdiv dir=\"auto\"\u003e\n\u003cdiv class=\"x11i5rnm xat24cr x1mh8g0r x1vvkbs xtlvy1s x126k92a\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"x11i5rnm xat24cr x1mh8g0r x1vvkbs xtlvy1s x126k92a\"\u003e\n\u003cdiv dir=\"auto\"\u003e\n\u003cem\u003e\u003c\/em\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"x11i5rnm xat24cr x1mh8g0r x1vvkbs xtlvy1s x126k92a\"\u003e\n\u003cdiv dir=\"auto\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eRatio's below for the ultimate strength\/performance:\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv dir=\"auto\"\u003e\u003cem\u003e\u003cbr\u003eSpeedtek Auto Racing Straight Cut Gearset.\u003cbr\u003e\u003cbr\u003e1-2.69\u003cbr\u003e2-1.69\u003cbr\u003e3- 1.24\u003cbr\u003e4- 1.00\u003cbr\u003e5- OPTIONAL 0.79 (Shorter than stock Ratio but ideal for Racing use)\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eS13 SR20DET \u0026amp; KA24 Ratio's. (180sx JDM \/240SX - USDM)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e1- 3.321\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e2- 1.902\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e3- 1.308\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e4- 1.000\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e5- 0.759\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/em\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-offset-key=\"m106-0-0\" data-editor=\"4qk83\" data-block=\"true\" class=\"\"\u003e\n\u003cem\u003eBe mindful these are intended for Rapid Quick Shift's, very different to a Factory \u003cspan\u003eFS5W71C\u003c\/span\u003e Synchronized Transmission.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e- Optional 5th Gear \u0026amp; Dog Engagement Reverse.\u003cbr\u003e- Optional HD Main Shaft \u0026amp; 4140 Billet Chromoly slip Yoke to suit.\u003cbr\u003e\u003c\/em\u003e\u003cbr\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cem\u003e\u003cstrong\u003e*Please be mindful that:\u003c\/strong\u003e\u003c\/em\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003eThe SR20 \/ CA18 \u0026amp; KA24 share the same kit as the Mainshaft length is the same.\u003cbr\u003e\u003cbr\u003eThe RB20 \/ RB25DE \/ RB30E share the same kit as the Mainshaft length is the same.\u003cbr\u003e\u003cbr\u003eIf you have another engine setup then what's listed, please choose other and provide us with some information on what engine\/transmission you have so we can provide you with the right kit.\u003cbr\u003e\u003cbr\u003e\u003cem\u003eWhen choosing the 1-5 Kit with Upgraded Mainshaft \u0026amp; Slip Yoke, you must use the S14 style striking rod for 5th\/reverse to make the kit work, we can provide part numbers so you can order this rod and supporting parts if required from your local Nissan Dealership.\u003c\/em\u003e\n\u003c\/div\u003e\n\u003cdiv data-offset-key=\"m106-0-0\" data-editor=\"4qk83\" data-block=\"true\" class=\"\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv data-offset-key=\"m106-0-0\" data-editor=\"4qk83\" data-block=\"true\" class=\"\"\u003eOur 3rd \u0026amp; 4th gear shift fork is designed around the S14 shift rod. If you're using a different transmission, you can simply redrill the shift fork rod to position the shift rod at the center of 3rd-4th gear, ensuring proper travel and functionality. \u003cbr\u003e(OEM Part# \u003cspan\u003e32808-03U00)\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cem\u003e\u003cspan style=\"text-decoration: underline; color: #000000;\"\u003e\u003cstrong\u003eWe now offer Isotropic Superfinishing on all our Speedtek Products.\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e(This process will increase the time from when we could dispatch the kit, please email us if you have any questions)\u003cbr\u003e\u003cbr\u003eSuperfinishing is a metalworking process that improves surface finish and workpiece geometry. This is achieved by removing just the thin amorphous surface layer left by the last process with an abrasive stone to grind the gears and other parts ; this layer is usually about 1 μm in magnitude. Superfinishing, unlike polishing which produces a mirror finish, creates a cross-hatch pattern on the workpiece.\u003cbr\u003e\u003cbr\u003eAdvantages of superfinishing include: increasing part life, decreasing wear, closer tolerances, higher load bearing surfaces, better sealing capabilities, and elimination of a break in period.\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"text-decoration: underline;\"\u003eOur solid 6-month unconditional warranty program for all our manufactured gearsets, you can be confident that your investment is well-protected. \u003cbr\u003e\u003cbr\u003e\u003c\/span\u003eOur extended warranty program is available, for more information : \u003ca href=\"https:\/\/speedtekautoracing.com\/blogs\/news\/extended-warranty-program-now-available-with-our-performance-transmission-components\"\u003eExtended Warranty Program now Available with our Performance Transmiss – Speedtek Auto Racing\u003c\/a\u003e\u003c\/em\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv data-offset-key=\"m106-0-0\" data-editor=\"4qk83\" data-block=\"true\" class=\"\"\u003e\u003cem\u003e\u003c\/em\u003e\u003c\/div\u003e\n\u003ch2 data-offset-key=\"m106-0-0\" data-editor=\"4qk83\" data-block=\"true\"\u003e\u003cstrong\u003e* Nissan 180SX 200SX 240SX CA18 KA24 RB20 FJ20  Gearset Kit\u003c\/strong\u003e\u003c\/h2\u003e","brand":"Speedtek Auto Racing","offers":[{"title":"1st to 4th with Billet Forks. SR20 \/ KA24 \/ CA18 \/ No Additional Options \/ No","offer_id":47885724549364,"sku":"71DOGSET-SR","price":4620.0,"currency_code":"AUD","in_stock":true},{"title":"1st to 4th with Billet Forks. SR20 \/ KA24 \/ CA18 \/ No Additional Options \/ Yes","offer_id":47885724582132,"sku":"71DOGSET-SRISF","price":5200.0,"currency_code":"AUD","in_stock":true},{"title":"1st to 4th with Billet Forks. SR20 \/ KA24 \/ CA18 \/ 5th \u0026 Reverse Gearset \/ No","offer_id":47885724614900,"sku":"71DOGSET-5SR","price":5670.0,"currency_code":"AUD","in_stock":true},{"title":"1st to 4th with Billet Forks. SR20 \/ KA24 \/ CA18 \/ 5th \u0026 Reverse Gearset \/ Yes","offer_id":47885724647668,"sku":"71DOGSET-5SRISF","price":6250.0,"currency_code":"AUD","in_stock":true},{"title":"1st to 4th with Billet Forks. SR20 \/ KA24 \/ CA18 \/ 5th \u0026 Reverse Gearset + HD Billet Mainshaft + Slip Yoke \/ No","offer_id":47885724680436,"sku":"71DOGSETHD-SR","price":6930.0,"currency_code":"AUD","in_stock":true},{"title":"1st to 4th with Billet Forks. SR20 \/ KA24 \/ CA18 \/ 5th \u0026 Reverse Gearset + HD Billet Mainshaft + Slip Yoke \/ Yes","offer_id":47885724713204,"sku":"71DOGSETHD-SRISF","price":7510.0,"currency_code":"AUD","in_stock":true},{"title":"1st to 4th with Billet Forks. RB20 \/ RB25DE \/ RB30E \/ No Additional Options \/ No","offer_id":47885724745972,"sku":"71DOGSET-RB","price":4620.0,"currency_code":"AUD","in_stock":true},{"title":"1st to 4th with Billet Forks. RB20 \/ RB25DE \/ RB30E \/ No Additional Options \/ Yes","offer_id":47885724778740,"sku":"71DOGSET-RBISF","price":5200.0,"currency_code":"AUD","in_stock":true},{"title":"1st to 4th with Billet Forks. RB20 \/ RB25DE \/ RB30E \/ 5th \u0026 Reverse Gearset \/ No","offer_id":47885724811508,"sku":"71DOGSET-5RB","price":5670.0,"currency_code":"AUD","in_stock":true},{"title":"1st to 4th with Billet Forks. RB20 \/ RB25DE \/ RB30E \/ 5th \u0026 Reverse Gearset \/ Yes","offer_id":47885724844276,"sku":"71DOGSET-5RBISF","price":6250.0,"currency_code":"AUD","in_stock":true},{"title":"1st to 4th with Billet Forks. RB20 \/ RB25DE \/ RB30E \/ 5th \u0026 Reverse Gearset + HD Billet Mainshaft + Slip Yoke \/ No","offer_id":47885724877044,"sku":"71DOGSETHD-RB","price":6930.0,"currency_code":"AUD","in_stock":true},{"title":"1st to 4th with Billet Forks. RB20 \/ RB25DE \/ RB30E \/ 5th \u0026 Reverse Gearset + HD Billet Mainshaft + Slip Yoke \/ Yes","offer_id":47885724909812,"sku":"71DOGSETHD-RBISF","price":7510.0,"currency_code":"AUD","in_stock":true},{"title":"1st to 4th with Billet Forks. Other (Please Specify Engine Type) \/ No Additional Options \/ No","offer_id":47885724942580,"sku":"71DOGSET-O","price":4620.0,"currency_code":"AUD","in_stock":true},{"title":"1st to 4th with Billet Forks. Other (Please Specify Engine Type) \/ No Additional Options \/ Yes","offer_id":47885724975348,"sku":"71DOGSET-OISF","price":5200.0,"currency_code":"AUD","in_stock":true},{"title":"1st to 4th with Billet Forks. Other (Please Specify Engine Type) \/ 5th \u0026 Reverse Gearset \/ No","offer_id":47885725008116,"sku":"71DOGSET-5O","price":5670.0,"currency_code":"AUD","in_stock":true},{"title":"1st to 4th with Billet Forks. Other (Please Specify Engine Type) \/ 5th \u0026 Reverse Gearset \/ Yes","offer_id":47885725040884,"sku":"71DOGSET-5OISF","price":6250.0,"currency_code":"AUD","in_stock":true},{"title":"1st to 4th with Billet Forks. Other (Please Specify Engine Type) \/ 5th \u0026 Reverse Gearset + HD Billet Mainshaft + Slip Yoke \/ No","offer_id":47885725073652,"sku":"71DOGSETHD-O","price":6930.0,"currency_code":"AUD","in_stock":true},{"title":"1st to 4th with Billet Forks. Other (Please Specify Engine Type) \/ 5th \u0026 Reverse Gearset + HD Billet Mainshaft + Slip Yoke \/ Yes","offer_id":47885725106420,"sku":"71DOGSETHD-OISF","price":7510.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1655\/4113\/files\/BBAC3943-B3B1-4147-A3AB-26BB834156DE.jpg?v=1774252359","url":"https:\/\/dri.net.au\/products\/nissan-silvia-180sx-200sx-240sx-ca18-sr20-rb20-fj20-close-ratio-dog-engagement-gearset-dogbox-gearset-kit","provider":"Drift Racing Industries","version":"1.0","type":"link"}