{"product_id":"polaris-rzr-pro-r-tapp-primary-clutch-kit-by-evp","title":"EVP TAPP Roller Primary Clutch Kit for Polaris RZR Pro R","description":"\u003ch1\u003eDESCRIPTION\u003c\/h1\u003e\n\u003cp\u003eThe TAPP Roller Spider replaces the button spider to reduce friction between the spider and movable sheave. Benefits include 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 in the movable sheave for faster response.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCENTER BEARING:\u003c\/strong\u003e New black nitrate coating for increased hardness, corrosion resistance, and reduced friction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLARGER ROLLER:\u003c\/strong\u003e Increased from 2mm to 3mm for improved bearing longevity under high load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePOST:\u003c\/strong\u003e More material and updated heat-treating to prevent clutch slip on the shaft when over-torqued.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOVEABLE SHEAVE:\u003c\/strong\u003e Reinforced towers for greater load-bearing capacity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCLUTCH COVER:\u003c\/strong\u003e Billet aluminum cover with larger windows to accept additional weight without modification.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eEVP Spec TAPP clutches are calibrated for use with the stock secondary clutch and reuse the OEM primary clutch bolt with the included TAPP spacer. Kits include the full standard weight kit plus tungsten TAPP Clutch Race Weights (set of 8).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDURABLE PERFORMANCE:\u003c\/strong\u003e Billet and high-tech materials for high-heat, high-horsepower use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eADJUSTABLE \u0026amp; VERSATILE:\u003c\/strong\u003e Swappable two-sided ramps, external clicker adjustment, removable roller-arm mass, and available springs for tuning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCOOLER TEMPS:\u003c\/strong\u003e Venting and multi-angle sheaves reduce belt and clutch operating temperatures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eINSTANT THROTTLE RESPONSE:\u003c\/strong\u003e Centralized low-inertia mass and curved sheaves for strong belt grip and quick response.\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\u003ch1\u003eCLUTCH CALIBRATION 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 - Kits ship with pre-chosen ramps tested for broad use. Changing profile affects shift characteristics and should be done by an experienced tuner.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRamp Angle\u003c\/strong\u003e - Adjusted externally with Quick Shift Bolts. Higher numbers raise RPM. Always adjust angles in pairs opposite each other to avoid imbalance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoller Size\u003c\/strong\u003e - Three sizes available: standard, +1mm, +2mm. Larger rollers quicken low-end RPMs, shift out sooner, and lower full-shift RPM. Smaller rollers slow low-end shift and raise full-shift RPM. Change sizes in pairs opposite each other.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight Adjustment\u003c\/strong\u003e - Via set screws in the arms and washers on the roller thru-bolt. Adding weight lowers RPM; removing weight raises RPM. Adjust evenly in pairs to avoid imbalance or failure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1 data-mce-fragment=\"1\"\u003e\u003cbr\u003e\u003c\/h1\u003e\n\u003ch1 data-mce-fragment=\"1\"\u003eFITMENT\u003c\/h1\u003e\n\u003cp\u003e2022+ Polaris RZR Pro R Models\u003c\/p\u003e\n\u003ch1 data-mce-fragment=\"1\"\u003eINSTRUCTIONS\u003c\/h1\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0054\/6786\/5134\/files\/TAPP_x_Evolution_Clutching_Instructions_bc3b4332-4612-424a-955a-4c130568cca2.pdf?v=1686159652\" target=\"_blank\"\u003e\u003cstrong\u003ePOLARIS RZR PRO R TAPP PRIMARY CLUTCH KIT by EVP\u003c\/strong\u003e\u003c\/a\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eManufactured by Evolution Powersports. Official specs and resources: \u003ca href=\"https:\/\/evopowersports.com\/products\/polaris-rzr-pro-r-tapp-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":"STOCK ECU + EVP ECU POWER FLASH STAGES 1-3 (2000 RPM)","offer_id":45285299847367,"sku":"2282020006","price":2800.0,"currency_code":"USD","in_stock":true},{"title":"P54-330 Turbo System 91 Octane (2200 RPM)","offer_id":45285299880135,"sku":"2282020003","price":2800.0,"currency_code":"USD","in_stock":true},{"title":"P54-400 Turbo System 110 Octane (2200 RPM)","offer_id":45285299912903,"sku":"2282020004","price":2800.0,"currency_code":"USD","in_stock":true},{"title":"P54-450 Turbo System 110 Octane (2200 RPM)","offer_id":45285299945671,"sku":"2282020005","price":2800.0,"currency_code":"USD","in_stock":true},{"title":"P54-500 Turbo System E85 (2200 RPM)","offer_id":45285299978439,"sku":"2282020016","price":2800.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/8004\/2951\/files\/tapp_clutch_1_900c0a98-adc6-445d-a399-5035bc60e166.jpg?v=1779305633","url":"https:\/\/highclearanceutvnwa.com\/products\/polaris-rzr-pro-r-tapp-primary-clutch-kit-by-evp","provider":"High Clearance UTV","version":"1.0","type":"link"}