{"product_id":"polaris-xpedition-tapp-roller-primary-clutch-kit-by-evp","title":"Polaris Xpedition TAPP Roller Primary Clutch by EVP","description":"\u003ch1\u003eDESCRIPTION\u003c\/h1\u003e\n\u003cp\u003eRoller Spider upgrade reduces friction in the movable sheave for improved belt grip, lower belt temps, longer belt life, and smoother engagement.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eROLLER SPIDER DESIGN:\u003c\/strong\u003e less friction vs button spiders for faster response\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCENTER BEARING:\u003c\/strong\u003e black nitrate coating for hardness, corrosion resistance, and reduced friction\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePOST:\u003c\/strong\u003e more material and new heat-treat for added shaft clamp under high torque\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOVEABLE SHEAVE:\u003c\/strong\u003e reinforced towers for higher load capacity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCLUTCH COVER:\u003c\/strong\u003e billet cover with larger windows to accept additional weight without modification\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDURABLE PERFORMANCE:\u003c\/strong\u003e billet construction and high-tech materials extend clutch life. EVP has used TAPP clutches on race X3 and XPT vehicles. OEM primaries are reliable to about 300 hp; EVP Spec TAPP primaries cover a broad range up to the 200-500+ hp applications described by EVP.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eADJUSTABLE \u0026amp; VERSATILE:\u003c\/strong\u003e two-sided ramps swap quickly. External clickers change shift pattern. Roller arms allow mass changes. Multiple springs available.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCOOLER TEMPS:\u003c\/strong\u003e venting, materials, and multi-angle sheaves lower belt and clutch temperatures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eINSTANT THROTTLE RESPONSE:\u003c\/strong\u003e centralized mass and low inertia with curved sheaves and custom ramps for quick response and strong belt grip.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSMOOTH, QUIET OPERATION:\u003c\/strong\u003e ramp-based arms ride smoothly with minimal vibration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDisclaimer:\u003c\/strong\u003e EVP only offers Tech Support for EVP.MOde Spec TAPP clutches purchased directly from EVP. All EVP Calibrated Tapp Clutch primaries may require minor calibration changes. If you need tuning support, please reference our instructions page or contact our technical department.\u003c\/p\u003e\n\u003cp\u003eQuestions? EVP support (8:30am–5:00pm CST): (715) 247-3862.\u003c\/p\u003e\n\u003ch1\u003eCALIBRATION GUIDE\u003c\/h1\u003e\n\u003cp\u003eThere are 4 main adjustable components in an EVP Spec TAPP Clutch:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRamp Profile:\u003c\/strong\u003e shipped with pre-selected ramps. Changing profiles affects the shift curve and should be done by an experienced tuner.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRamp Angle:\u003c\/strong\u003e adjusted from outside with Quick Shift Bolts. Higher settings raise RPMs. Always adjust angles in pairs across from each other to avoid imbalance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoller Size:\u003c\/strong\u003e shipped with a predetermined size. Available sizes affect low- and full-shift RPMs. Change rollers in opposing pairs only.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight Adjustment:\u003c\/strong\u003e set screws in arms and washers on the roller thru-bolt adjust RPM behavior. Add weight to lower RPM, remove to raise. Make changes evenly in pairs to prevent imbalance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1\u003eFITMENT\u003c\/h1\u003e\n\u003cp\u003e2024+ Polaris Xpedition\u003c\/p\u003e\n\u003ch1\u003eINSTRUCTIONS\u003c\/h1\u003e\n\u003cp\u003eRefer to EVP installation and tuning resources for full instructions.\u003c\/p\u003e\n\u003cp\u003eManufactured by Evolution Powersports. Official specs and resources: \u003ca href=\"https:\/\/evopowersports.com\/products\/polaris-xpedition-tapp-roller-primary-clutch-kit-by-evp\"\u003eEvoPowersports.com\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/evopowersports.com\/pages\/race-use-only-disclaimer\"\u003eProduct Disclaimers\u003c\/a\u003e | \u003ca href=\"https:\/\/evopowersports.com\/pages\/evp-installation-instructions\"\u003eInstallation Instructions\u003c\/a\u003e | \u003ca href=\"https:\/\/evopowersports.com\/pages\/terms-and-conditions\"\u003eTerms and Conditions\u003c\/a\u003e\u003c\/p\u003e","brand":"Evolution Powersports","offers":[{"title":"2024+ Xpedition NA 2200 RPM","offer_id":54286657421625,"sku":"2282020022","price":2700.0,"currency_code":"USD","in_stock":true},{"title":"2024+ Xpedition XT-170 Turbo 2300 RPM","offer_id":54286657454393,"sku":"2282020025","price":2700.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0453\/3751\/0038\/files\/tapp_clutch_1_2e350496-8133-466a-9338-065c47574be1.jpg?v=1785445313","url":"https:\/\/warpathsxs.com\/products\/polaris-xpedition-tapp-roller-primary-clutch-kit-by-evp","provider":"Warpath Customs","version":"1.0","type":"link"}