{"product_id":"wossner-k8930d500-2-piston-kit-2013-2025-polaris-rzr-ranger-900-1000-utv-atv","title":"Wossner K8930D500-2 Piston Kit - 2013-2025 Polaris RZR Ranger 900 1000 UTV ATV","description":"\u003ch3\u003eWossner K8930D500-2 Pro Series Forged Piston Kit\u003c\/h3\u003e\n\u003cp\u003eWhen it is time to push your Polaris to the next level, the Wossner K8930D500-2 Piston Kit delivers the high-compression power and reliability required for aggressive riding. This Pro Series kit features a 5.00mm oversize bore, making it the ultimate choice for riders performing a big-bore top-end rebuild. Whether you are navigating tight trails or wide-open dunes, Moto-House MX provides the precision-engineered components needed to keep your UTV or ATV performing at its peak.\u003c\/p\u003e\n\u003cp\u003eForged from premium aerospace-grade aluminum alloy, these pistons offer Factory Quality strength and a lightweight design for a quieter, more efficient engine. The skirts are professionally coated to reduce friction and ensure a smooth break-in period, while enhanced oiling slots and annular grooves provide superior lubrication to the wrist pin. Works Great with most Polaris UTV and ATV high-displacement engines, this kit is engineered for improved ring seal and maximum oil control under extreme heat and pressure.\u003c\/p\u003e\n\u003ch3\u003eTop Features: Wossner K8930D500-2 Piston Kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDouble Bridged Forging:\u003c\/b\u003e Advanced design for maximum structural integrity in high-load environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLow-Friction Skirt Coating:\u003c\/b\u003e Reduces internal resistance and improves engine longevity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEnhanced Piston Oiling:\u003c\/b\u003e Precision slots and grooves for optimized wrist pin lubrication.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePro Series Ring Treatment:\u003c\/b\u003e Specialized ring land treatment for superior compression seal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eComplete Rebuild Kit:\u003c\/b\u003e Includes forged piston, high-performance rings, wrist pin, and pin locks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eExpert Pro-Tip:\u003c\/b\u003e When installing an oversize piston kit, always verify your cylinder bore clearance and ensure you are using a high-quality torque wrench to meet Polaris factory specifications for head bolts.\u003c\/p\u003e\n\u003ch3\u003eFitment List\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\" cellpadding=\"8\" border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eYear Range\u003c\/th\u003e\n\u003cth\u003eVehicle Brand\u003c\/th\u003e\n\u003cth\u003eVehicle Model \u0026amp; Size\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2014-2025\u003c\/td\u003e\n\u003ctd\u003ePolaris\u003c\/td\u003e\n\u003ctd\u003eRZR XP 1000 (All Models)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2017-2025\u003c\/td\u003e\n\u003ctd\u003ePolaris\u003c\/td\u003e\n\u003ctd\u003eRanger XP 1000 (All Models)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2016-2022\u003c\/td\u003e\n\u003ctd\u003ePolaris\u003c\/td\u003e\n\u003ctd\u003eGeneral 1000 (All Models)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2015-2024\u003c\/td\u003e\n\u003ctd\u003ePolaris\u003c\/td\u003e\n\u003ctd\u003eRZR 900 \/ Trail S 900\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2013-2019\u003c\/td\u003e\n\u003ctd\u003ePolaris\u003c\/td\u003e\n\u003ctd\u003eRanger 900 XP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2016-2019\u003c\/td\u003e\n\u003ctd\u003ePolaris\u003c\/td\u003e\n\u003ctd\u003eACE 900 XC \/ SP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eQ: Is this a big bore kit?\u003c\/b\u003e\u003cbr\u003eA: Yes, this kit features a 5.00mm oversize (98.00mm bore), which requires specific cylinder machining or a matching big bore cylinder.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQ: Does this kit include everything for the top end?\u003c\/b\u003e\u003cbr\u003eA: It includes the piston, rings, pin, and clips. We recommend pairing this with a top-end gasket kit for a complete seal.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQ: Is the skirt coating permanent?\u003c\/b\u003e\u003cbr\u003eA: The coating is designed to assist with the critical break-in period and reduce long-term friction, though it is subject to normal engine wear over time.\u003c\/p\u003e\n\u003ch3\u003eRecommended Pairings\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eCometic Top End Gasket Kit:\u003c\/b\u003e Essential for sealing your big bore cylinder head.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHeavy Duty Connecting Rods:\u003c\/b\u003e Recommended to handle the increased power of a 5.00mm oversize piston.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUpgrade your Polaris today for unmatched power and durability. Buy now at Moto-House MX!\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eMoto-House MX – Choice of Champions\u003c\/b\u003e – is located in Clermont\/Montverde, FL. The Best Motocross\/UTV \u0026amp; ATV Shop in Central Florida. Stop by our local store in Montverde, FL or enjoy lightning-fast shipping across the USA.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"WOSSNER","offers":[{"title":"Default Title","offer_id":44496006479955,"sku":"K8930D500-2","price":448.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1754\/5421\/files\/480496.png?v=1776230720","url":"https:\/\/motohousemx.com\/products\/wossner-k8930d500-2-piston-kit-2013-2025-polaris-rzr-ranger-900-1000-utv-atv","provider":"Moto-House MX","version":"1.0","type":"link"}