{"product_id":"straightline-performance-clutch-kit-with-adjustable-weights-6-000-ft-polaris-850-rmk-sks-2019-2027","title":"Straightline Performance Clutch Kit with Adjustable Weights 6,000+ ft Polaris 850 RMK\/SKS 2019-2027","description":"\u003ch2 class=\"product_title entry-title\"\u003ePolaris RMK\/SKS\/Assault 850 Clutch Kit with Adjustable Weights | 6,000+ ft | For Straightline Performance Single Pipe\u003c\/h2\u003e\n\u003cdiv class=\"woocommerce-tabs wc-tabs-wrapper\"\u003e\n\u003cdiv class=\"woocommerce-Tabs-panel woocommerce-Tabs-panel--description panel entry-content wc-tab\" id=\"tab-description\" role=\"tabpanel\"\u003e\n\u003cp\u003eThe Straightline Performance Polaris RMK, SKS, and Assault 850 Mountain Clutch Kit is specifically calibrated for machines equipped with a Straightline Performance Single Pipe exhaust system and operated at elevations above 6,000 feet. Featuring Straightline’s fully adjustable weight system, custom-designed mountain helix, and two performance-calibrated clutch springs, this package delivers stronger acceleration, quicker throttle response, improved backshift, and maximum deep snow performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote: Straightline Performance Single Pipe exhaust system is not included and must be purchased separately.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"woocommerce-tabs wc-tabs-wrapper\"\u003e\n\u003cdiv class=\"woocommerce-Tabs-panel woocommerce-Tabs-panel--description panel entry-content wc-tab\" id=\"tab-description\" role=\"tabpanel\"\u003e\n\u003cp\u003eThe Straightline Performance Polaris RMK, SKS, and Assault 850 Single Pipe Mountain Clutch Kit was developed specifically for riders operating above 6,000 feet elevation and running a Straightline Performance Single Pipe exhaust system.\u003c\/p\u003e\n\u003cp\u003eThe Straightline Single Pipe increases horsepower and improves engine performance throughout the operating range. To fully capitalize on those gains, clutch calibration must be matched to the modified power curve. This clutch kit was engineered specifically to complement the performance characteristics of the Straightline Performance Single Pipe and maximize power transfer in mountain riding conditions.\u003c\/p\u003e\n\u003cp\u003eAt the heart of the package is Straightline Performance’s proven fully adjustable weight system. Designed to provide precise RPM control and extensive tuning flexibility, the adjustable weights allow riders to fine-tune clutch calibration for changing snow conditions, elevations, and riding styles. This flexibility helps maintain ideal RPM while delivering stronger acceleration and improved throttle response.\u003c\/p\u003e\n\u003cp\u003eThe kit also includes a custom-designed mountain helix developed specifically for Polaris 850 models equipped with the Straightline Single Pipe exhaust system. Extensive field testing was used to create a helix profile that improves shift characteristics, enhances clutch efficiency, and provides aggressive backshift response in deep snow and technical terrain.\u003c\/p\u003e\n\u003cp\u003eTwo custom-calibrated clutch springs complete the package. Carefully matched to the adjustable weight system and helix, these springs help maintain consistent clutch performance, improve engagement characteristics, and keep the engine operating in its optimal power range.\u003c\/p\u003e\n\u003cp\u003eWhether you’re climbing steep alpine terrain, sidehilling technical features, carving through fresh powder, or navigating tight tree lines, this clutch kit delivers the responsiveness, acceleration, and control required to maximize your machine’s performance.\u003c\/p\u003e\n\u003cp\u003eThis is not a generic clutch kit. Every component has been selected and calibrated specifically for the Polaris 850 platform equipped with a Straightline Performance Single Pipe and operating at elevations above 6,000 feet.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStraightline Performance Single Pipe exhaust sold separately.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eFEATURES \u0026amp; BENEFITS\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for Polaris RMK, SKS, and Assault 850 models\u003c\/li\u003e\n\u003cli\u003eSpecifically calibrated for Straightline Performance Single Pipe applications\u003c\/li\u003e\n\u003cli\u003eOptimized for elevations above 6,000 feet\u003c\/li\u003e\n\u003cli\u003eIncludes Straightline Performance fully adjustable weight kit\u003c\/li\u003e\n\u003cli\u003eCustom-designed mountain helix\u003c\/li\u003e\n\u003cli\u003eIncludes two performance-calibrated clutch springs\u003c\/li\u003e\n\u003cli\u003eImproved acceleration and throttle response\u003c\/li\u003e\n\u003cli\u003eFaster and more responsive backshift\u003c\/li\u003e\n\u003cli\u003eBetter power transfer and clutch efficiency\u003c\/li\u003e\n\u003cli\u003eMaintains optimal RPM at high elevations\u003c\/li\u003e\n\u003cli\u003eEnhanced deep snow performance and maneuverability\u003c\/li\u003e\n\u003cli\u003eAdjustable weight system allows fine-tuning for changing conditions\u003c\/li\u003e\n\u003cli\u003eImproved belt performance and drivability\u003c\/li\u003e\n\u003cli\u003eExtensive mountain testing and development\u003c\/li\u003e\n\u003cli\u003eEngineered and tested by Straightline Performance\u003c\/li\u003e\n\u003cli\u003eStraightline Performance Single Pipe sold separately\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eThis clutch kit is designed specifically for Polaris RMK, SKS, and Assault 850 models equipped with a Straightline Performance Single Pipe exhaust system.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe Straightline Performance Single Pipe is NOT included with this clutch kit and must be purchased separately. This clutch calibration is not intended for stock exhaust applications.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pi-instructions-section\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cmeta charset=\"utf-8\"\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cspan\u003eFitment For:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cspan\u003e2019-2021\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"Apple-tab-span\"\u003e SNOW \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003ePOLARIS\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e850 RMK AXYS\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cspan\u003e2019-2021\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"Apple-tab-span\"\u003e \u003cmeta charset=\"utf-8\"\u003eSNOW \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003ePOLARIS\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e850 SWITCHBACK AXYS\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cspan\u003e2022-2027\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"Apple-tab-span\"\u003e \u003cmeta charset=\"utf-8\"\u003eSNOW \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003ePOLARIS\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e850 RMK MATRYX\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cspan\u003e2022-2027\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"Apple-tab-span\"\u003e \u003cmeta charset=\"utf-8\"\u003eSNOW \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003ePOLARIS\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"Apple-tab-span\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e850 SWITCHBACK MATRYX\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb id=\"docs-internal-guid-1faf618a-7fff-10b2-a9c3-d8809f9f7c76\"\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"woocommerce-tabs wc-tabs-wrapper\"\u003e\n\u003cdiv class=\"woocommerce-Tabs-panel woocommerce-Tabs-panel--description panel entry-content wc-tab\" id=\"tab-description\" role=\"tabpanel\"\u003e\n\u003ch2\u003eAdditional information\u003c\/h2\u003e\n\u003ctable class=\"woocommerce-product-attributes shop_attributes\"\u003e\n\u003ctbody\u003e\n\u003ctr class=\"woocommerce-product-attributes-item woocommerce-product-attributes-item--weight\"\u003e\n\u003cth class=\"woocommerce-product-attributes-item__label\" scope=\"row\"\u003eWeight\u003c\/th\u003e\n\u003ctd class=\"woocommerce-product-attributes-item__value\"\u003e6 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"woocommerce-product-attributes-item woocommerce-product-attributes-item--dimensions\"\u003e\n\u003cth class=\"woocommerce-product-attributes-item__label\" scope=\"row\"\u003eDimensions\u003c\/th\u003e\n\u003ctd class=\"woocommerce-product-attributes-item__value\"\u003e11 × 9 × 6 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Straightline Performance","offers":[{"title":"Default Title","offer_id":59992053842206,"sku":"123-158","price":499.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0882\/8108\/8286\/files\/Polaris-P85-Clutch-Kit_89024b46-7487-496e-b4cb-0f05ced4874d.png?v=1789843607","url":"https:\/\/adventurepartsllc.com\/products\/straightline-performance-clutch-kit-with-adjustable-weights-6-000-ft-polaris-850-rmk-sks-2019-2027","provider":"Adventure Parts","version":"1.0","type":"link"}