{"product_id":"copy-of-nissan-silvia-180sx-200sx-240sx-ca18-sr20-ka24-rb20-fj20-fs5w71c-close-ratio-dog-engagement-gearset-dogbox-gearset-kit","title":"Speedtek=Nissan Silvia 180SX SR20 KA24 RB20 FJ20 FS5W71C Close Ratio Gearset","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\u003eNissan Silvia 180SX, 200SX, 240SX CA18, SR20, KA24, RB20, FJ20 Close Ratio Synchronized Gearset.\u003c\/p\u003e\n\u003cp\u003eDesigned to handle up to 400HP across most applications.\u003c\/p\u003e\n\u003cp\u003eOur gearsets have demonstrated their reliability across various platforms. Now, we're extending this support to the small case transmissions typically found in vehicles powered by the SR20, CA18, KA24, RB20, and RB25DE engines.\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\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 Synchronized Helical Cut Gearset\u003cbr\u003e\u003cbr\u003e1-3.201\u003cbr\u003e2-1.725\u003cbr\u003e3- 1.264\u003cbr\u003e4- 1.00\u003cbr\u003e5- OPTIONAL 0.677 (Much longer than stock Ratio but ideal for Road use to lower RPM on the Highway)\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\u003ch3 data-offset-key=\"m106-0-0\" data-editor=\"4qk83\" data-block=\"true\"\u003e\n\u003cem\u003eBe mindful these are intended for vehicles that still want to be street driven and not exceed 400HP. These kits are much stronger than standard gears, we use only premium quality materials, and our tooth profiles are much thicker then stock.\u003c\/em\u003e\u003cbr\u003e\u003cbr\u003eLimited stock is available, but we are constantly making them, if we do not have stock, lead time is around 6 weeks.\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"text-decoration: underline;\"\u003eThese utilize synchro rings which are single piece throughout, you may need to verify with your transmission builder which synchro rings\/sleeves you have and then possibly change them to single piece, we have gone with this route as they are much easier to find then multipiece synchros and we have found they work well for street use.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cem\u003e1st \u0026amp; 2nd Gear Synchro Ring Size 67mm (approx)\u003c\/em\u003e\u003cbr\u003e\u003cem\u003e3rd\/4th Gear Synchro Ring size 60mm (approx)\u003c\/em\u003e\u003cbr\u003e5th Gear Synchro Ring Size 52mm (approx)\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cem\u003eThis gearset requires specific Shift HUB \u0026amp; Sleeve in 3rd-4th \u0026amp; \u003ca href=\"https:\/\/speedtekautoracing.com\/collections\/nissan-transmission-service-rebuild-parts\/products\/replacement-hd-cast-shift-fork-suit-3rd-4th-gear-71-series-transmission\"\u003eFork \u003c\/a\u003eto suit. If you are not certain on what you currently have in your transmission, we would suggest you order these through us during check out.\u003cbr\u003e\u003cbr\u003e3rd-4th Hub : (to be listed)\u003cbr\u003e\u003cbr\u003e\u003c\/em\u003e\u003c\/span\u003eFork : \u003ca href=\"https:\/\/speedtekautoracing.com\/collections\/nissan-transmission-service-rebuild-parts\/products\/replacement-hd-cast-shift-fork-suit-3rd-4th-gear-71-series-transmission\"\u003eReplacement HD Cast Shift Fork suit 3rd \u0026amp; 4th Gear - 71 Series Transmi – Speedtek Auto Racing\u003c\/a\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e* 200SX 240SX CA18\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/h3\u003e","brand":"Speedtek Auto Racing","offers":[{"title":"1st to 4th \/ No","offer_id":47885720879348,"sku":"SRCRK14","price":2200.0,"currency_code":"AUD","in_stock":true},{"title":"1st to 4th \/ Yes","offer_id":47885720912116,"sku":"SRCRK14-ISF","price":2750.0,"currency_code":"AUD","in_stock":true},{"title":"1st to 5th \/ No","offer_id":47885720944884,"sku":"SRCRK15","price":2750.0,"currency_code":"AUD","in_stock":true},{"title":"1st to 5th \/ Yes","offer_id":47885720977652,"sku":"SRCRK15-ISF","price":3300.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1655\/4113\/files\/FullSizeRender_9c2bde1d-8744-40f8-b629-9735d9c91c5f.jpg?v=1774252337","url":"https:\/\/dri.net.au\/products\/copy-of-nissan-silvia-180sx-200sx-240sx-ca18-sr20-ka24-rb20-fj20-fs5w71c-close-ratio-dog-engagement-gearset-dogbox-gearset-kit","provider":"Drift Racing Industries","version":"1.0","type":"link"}