{"product_id":"xclutch-9in-twin-sprung-organic-clutch-kit-subaru-sti-2015-2021-xksu23623-2a","title":"xClutch 9in Twin Sprung Organic Clutch Kit Subaru STI 2004-2021 | XKSU23623-2A","description":"\u003ch3 data-section-id=\"7ehlkd\" data-start=\"2577\" data-end=\"2603\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2581\" data-end=\"2601\"\u003eVehicle Fitment:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"2604\" data-end=\"2658\"\u003e\n\u003cli data-section-id=\"yg2ebi\" data-start=\"2604\" data-end=\"2658\"\u003e\u003cstrong data-start=\"2606\" data-end=\"2656\"\u003e2015–2021 Subaru WRX STI (6-Speed Manual Only)\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"189\" data-end=\"525\"\u003eTake your drivetrain to the next level with the XClutch Stage 4 Twin Disc Sprung Organic Clutch Kit (XKSU23623-2A), engineered specifically for \u003cstrong data-start=\"333\" data-end=\"378\"\u003e2004–2021 Subaru STI 6-speed applications\u003c\/strong\u003e. This advanced clutch system is built for high-horsepower street vehicles that demand \u003cstrong data-start=\"465\" data-end=\"524\"\u003eextreme torque capacity without sacrificing drivability\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"527\" data-end=\"831\"\u003eThe XClutch 9-inch twin organic disc system increases torque capacity by utilizing dual friction surfaces while maintaining smooth engagement through its sprung hub design. This allows for excellent modulation and street-friendly operation—making it ideal for powerful builds that are still driven daily.\u003c\/p\u003e\n\u003cp data-start=\"833\" data-end=\"1156\"\u003ePaired with a \u003cstrong data-start=\"847\" data-end=\"880\"\u003echromoly lightweight flywheel\u003c\/strong\u003e, this kit improves throttle response and reduces rotational mass, while the \u003cstrong data-start=\"957\" data-end=\"992\"\u003ehydraulic release bearing (HRB)\u003c\/strong\u003e upgrade enhances clutch feel and consistency. Designed and tested for durability and performance, this system delivers a perfect balance of strength and usability.\u003c\/p\u003e\n\u003chr data-start=\"1158\" data-end=\"1161\"\u003e\n\u003ch3 data-section-id=\"37mg0c\" data-start=\"1163\" data-end=\"1186\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1167\" data-end=\"1184\"\u003eKey Features:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1187\" data-end=\"1537\"\u003e\n\u003cli data-section-id=\"qg1ibi\" data-start=\"1187\" data-end=\"1237\"\u003eStage 4 twin-disc sprung organic clutch system\u003c\/li\u003e\n\u003cli data-section-id=\"1kk9ube\" data-start=\"1238\" data-end=\"1290\"\u003eDesigned for high horsepower street applications\u003c\/li\u003e\n\u003cli data-section-id=\"13j0blf\" data-start=\"1291\" data-end=\"1338\"\u003eSmooth engagement with excellent modulation\u003c\/li\u003e\n\u003cli data-section-id=\"1wosdqw\" data-start=\"1339\" data-end=\"1381\"\u003eIncludes chromoly lightweight flywheel\u003c\/li\u003e\n\u003cli data-section-id=\"1xl81jq\" data-start=\"1382\" data-end=\"1426\"\u003eIncludes hydraulic release bearing (HRB)\u003c\/li\u003e\n\u003cli data-section-id=\"2yynvo\" data-start=\"1427\" data-end=\"1480\"\u003eIncreased torque capacity over single-disc setups\u003c\/li\u003e\n\u003cli data-section-id=\"3wjtzt\" data-start=\"1481\" data-end=\"1537\"\u003eEngineered for durability and consistent performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1539\" data-end=\"1542\"\u003e\n\u003ch3 data-section-id=\"mjtjz5\" data-start=\"1544\" data-end=\"1580\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1548\" data-end=\"1578\"\u003eCLUTCH KIT SPECIFICATIONS:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1581\" data-end=\"1933\"\u003e\n\u003cli data-section-id=\"oxyltj\" data-start=\"1581\" data-end=\"1627\"\u003e\n\u003cstrong data-start=\"1583\" data-end=\"1603\"\u003eRecommended Use:\u003c\/strong\u003e High Power Street Use\u003c\/li\u003e\n\u003cli data-section-id=\"1gnty48\" data-start=\"1628\" data-end=\"1664\"\u003e\n\u003cstrong data-start=\"1630\" data-end=\"1658\"\u003eClamping Force Increase:\u003c\/strong\u003e N\/A\u003c\/li\u003e\n\u003cli data-section-id=\"13354rx\" data-start=\"1665\" data-end=\"1721\"\u003e\n\u003cstrong data-start=\"1667\" data-end=\"1708\"\u003eTorque Capacity (with safety factor):\u003c\/strong\u003e 740 ft-lbs\u003c\/li\u003e\n\u003cli data-section-id=\"qsyroh\" data-start=\"1722\" data-end=\"1763\"\u003e\n\u003cstrong data-start=\"1724\" data-end=\"1749\"\u003eClutch Disc Diameter:\u003c\/strong\u003e 9 1\/16 inch\u003c\/li\u003e\n\u003cli data-section-id=\"m0p3iz\" data-start=\"1764\" data-end=\"1794\"\u003e\n\u003cstrong data-start=\"1766\" data-end=\"1784\"\u003eDisc Material:\u003c\/strong\u003e Organic\u003c\/li\u003e\n\u003cli data-section-id=\"1dncvmt\" data-start=\"1795\" data-end=\"1824\"\u003e\n\u003cstrong data-start=\"1797\" data-end=\"1815\"\u003eDisc Hub Type:\u003c\/strong\u003e Sprung\u003c\/li\u003e\n\u003cli data-section-id=\"1ycf65\" data-start=\"1825\" data-end=\"1859\"\u003e\n\u003cstrong data-start=\"1827\" data-end=\"1845\"\u003eFlywheel Step:\u003c\/strong\u003e +0.150 inch\u003c\/li\u003e\n\u003cli data-section-id=\"pruira\" data-start=\"1860\" data-end=\"1896\"\u003e\n\u003cstrong data-start=\"1862\" data-end=\"1887\"\u003eInput Shaft Diameter:\u003c\/strong\u003e 1 inch\u003c\/li\u003e\n\u003cli data-section-id=\"11t7akk\" data-start=\"1897\" data-end=\"1933\"\u003e\n\u003cstrong data-start=\"1899\" data-end=\"1928\"\u003eInput Shaft Spline Count:\u003c\/strong\u003e 24\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1935\" data-end=\"1938\"\u003e\n\u003ch3 data-section-id=\"5xk9z4\" data-start=\"1940\" data-end=\"1971\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1944\" data-end=\"1969\"\u003ePerformance Benefits:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1972\" data-end=\"2255\"\u003e\n\u003cli data-section-id=\"jhpvo5\" data-start=\"1972\" data-end=\"2027\"\u003eHandles high torque and horsepower builds with ease\u003c\/li\u003e\n\u003cli data-section-id=\"cpbwze\" data-start=\"2028\" data-end=\"2076\"\u003eMaintains smooth, street-friendly engagement\u003c\/li\u003e\n\u003cli data-section-id=\"1fjs8d1\" data-start=\"2077\" data-end=\"2133\"\u003eImproved throttle response from lightweight flywheel\u003c\/li\u003e\n\u003cli data-section-id=\"f6jg0t\" data-start=\"2134\" data-end=\"2201\"\u003eEnhanced drivability compared to aggressive puck-style clutches\u003c\/li\u003e\n\u003cli data-section-id=\"hg18an\" data-start=\"2202\" data-end=\"2255\"\u003eConsistent performance under demanding conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2257\" data-end=\"2260\"\u003e\n\u003ch3 data-section-id=\"1a7q2h5\" data-start=\"2262\" data-end=\"2285\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2266\" data-end=\"2283\"\u003ePart Details:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"2286\" data-end=\"2570\"\u003e\n\u003cli data-section-id=\"h22l7f\" data-start=\"2286\" data-end=\"2319\"\u003e\n\u003cstrong data-start=\"2288\" data-end=\"2304\"\u003ePart Number:\u003c\/strong\u003e XKSU23623-2A\u003c\/li\u003e\n\u003cli data-section-id=\"1subhly\" data-start=\"2320\" data-end=\"2342\"\u003e\n\u003cstrong data-start=\"2322\" data-end=\"2332\"\u003eStage:\u003c\/strong\u003e Stage 4\u003c\/li\u003e\n\u003cli data-section-id=\"l6ow5h\" data-start=\"2343\" data-end=\"2390\"\u003e\n\u003cstrong data-start=\"2345\" data-end=\"2361\"\u003eClutch Type:\u003c\/strong\u003e Twin Disc (Sprung Organic)\u003c\/li\u003e\n\u003cli data-section-id=\"mn96qt\" data-start=\"2391\" data-end=\"2432\"\u003e\n\u003cstrong data-start=\"2393\" data-end=\"2415\"\u003eFlywheel Included:\u003c\/strong\u003e Yes (Chromoly)\u003c\/li\u003e\n\u003cli data-section-id=\"ctp0l0\" data-start=\"2433\" data-end=\"2473\"\u003e\n\u003cstrong data-start=\"2435\" data-end=\"2455\"\u003eRelease Bearing:\u003c\/strong\u003e Yes (Hydraulic)\u003c\/li\u003e\n\u003cli data-section-id=\"18qdxg8\" data-start=\"2474\" data-end=\"2529\"\u003e\n\u003cstrong data-start=\"2476\" data-end=\"2507\"\u003eTransmission Compatibility:\u003c\/strong\u003e 6-Speed Manual Only\u003c\/li\u003e\n\u003cli data-section-id=\"u80lhs\" data-start=\"2530\" data-end=\"2570\"\u003e\n\u003cstrong data-start=\"2532\" data-end=\"2549\"\u003eFitment Type:\u003c\/strong\u003e Direct Replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2660\" data-end=\"2663\"\u003e\n\u003cp data-start=\"2665\" data-end=\"2687\"\u003e\u003cstrong data-start=\"2665\" data-end=\"2685\"\u003eImportant Notes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2688\" data-end=\"2909\"\u003e\n\u003cli data-section-id=\"80wonj\" data-start=\"2688\" data-end=\"2735\"\u003e\u003cstrong data-start=\"2690\" data-end=\"2733\"\u003eSuitable for 6-speed transmissions only\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"zhe1vw\" data-start=\"2736\" data-end=\"2786\"\u003eProfessional installation strongly recommended\u003c\/li\u003e\n\u003cli data-section-id=\"3w479s\" data-start=\"2787\" data-end=\"2839\"\u003eClutch break-in required for optimal performance\u003c\/li\u003e\n\u003cli data-section-id=\"l98tdq\" data-start=\"2840\" data-end=\"2909\"\u003eSome increase in NVH is normal with performance twin-disc systems\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"XClutch","offers":[{"title":"Default Title","offer_id":42718576836704,"sku":"xclXKSU23623-2A","price":2233.98,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1398\/9853\/files\/xClutch-9in-Twin-Sprung-Organic-Clutch-Kit-Subaru-STI-2004-2021-XKSU23623-2A.webp?v=1780338092","url":"https:\/\/www.importimageracing.com\/products\/xclutch-9in-twin-sprung-organic-clutch-kit-subaru-sti-2015-2021-xksu23623-2a","provider":"Import Image Racing","version":"1.0","type":"link"}