{"product_id":"wossner-k8930da-2-piston-kit-92-94mm-for-polaris-vehicles-2020-2024","title":"Wossner K8930DA-2 Piston Kit - Polaris RZR XP 1000 Ranger 900\/1000 General 1000","description":"\u003ch3\u003eWossner K8930DA-2 Pro Series Forged 4-Stroke Piston Kit - Standard Size A\u003c\/h3\u003e\n\n\u003cp\u003ePush the limits of your Polaris UTV with the Wossner K8930DA-2 Pro Series Piston Kit. Engineered for the high-demand environments of the RZR XP 1000, Ranger XP 1000, and General 1000, this Standard Size A forged kit is the professional choice for performance and longevity. At Moto-House MX, we understand that whether you are navigating technical trails or hauling heavy loads, your engine requires aerospace-grade components to stay in the lead.\u003c\/p\u003e\n\n\u003cp\u003eForged from a high-performance aluminum alloy, the Pro Series piston features a double-bridged design for maximum structural integrity under extreme cylinder pressures. Advanced radial boss machining and enhanced oiling slots provide superior wrist pin lubrication, a critical factor for the high-output Polaris twin-cylinder engines. With a 12.0:1 compression ratio and a permanent skirt coating to reduce friction, this kit ensures a quieter running engine and improved break-in performance for your next rebuild.\u003c\/p\u003e\n\n\u003ch3\u003eTop Features: Wossner K8930DA-2 Piston Kit\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cb\u003eStandard Size A (92.94mm Piston):\u003c\/b\u003e Precision-engineered for the standard 93.00mm bore to maintain factory clearances and peak thermal efficiency.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003ePro Series Forged Design:\u003c\/b\u003e Features a double-bridged forging for unmatched strength-to-weight ratio in high-performance UTV applications.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eEnhanced Lubrication:\u003c\/b\u003e Specialized radial boss machining and annular grooves ensure constant oil flow to the wrist pin.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eLow-Friction Skirt Coating:\u003c\/b\u003e Reduces piston rock and mechanical noise while protecting cylinder walls during initial startup and high-load operation.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eOptimized Oil Control:\u003c\/b\u003e Precision ring land treatment improves ring seal, reducing blow-by and maintaining consistent power.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eComplete Kit:\u003c\/b\u003e Includes forged piston, high-performance rings, wrist pin, and pin locks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cb\u003eExpert Pro-Tip:\u003c\/b\u003e The Polaris 900 and 1000 series engines are precision-tuned from the factory. When installing the K8930DA-2, ensure your cylinder bores are deglazed and within factory service limits. Because these engines often operate in dusty or muddy conditions, we strongly recommend a fresh air filter and a complete oil service with high-quality synthetic lubricants to protect your new forged investment.\u003c\/p\u003e\n\n\u003ch3\u003eFitment Guide\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" style=\"width: 100%; border-collapse: collapse;\"\u003e\n    \u003cthead\u003e\n        \u003ctr\u003e\n            \u003cth\u003eModel Group\u003c\/th\u003e\n            \u003cth\u003eYear Range\u003c\/th\u003e\n            \u003cth\u003eKey Models\u003c\/th\u003e\n        \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n        \u003ctr\u003e\n            \u003ctd\u003e\u003cb\u003ePolaris RZR 1000\u003c\/b\u003e\u003c\/td\u003e\n            \u003ctd\u003e2014-2025\u003c\/td\u003e\n            \u003ctd\u003eXP 1000, Premium, Sport, Ultimate, High Lifter\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003e\u003cb\u003ePolaris Ranger 1000\u003c\/b\u003e\u003c\/td\u003e\n            \u003ctd\u003e2017-2025\u003c\/td\u003e\n            \u003ctd\u003eXP 1000, NorthStar, Premium, Trail Boss\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003e\u003cb\u003ePolaris General 1000\u003c\/b\u003e\u003c\/td\u003e\n            \u003ctd\u003e2016-2023\u003c\/td\u003e\n            \u003ctd\u003eEPS, Deluxe, Premium, Sport\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003e\u003cb\u003ePolaris RZR \/ Ranger 900\u003c\/b\u003e\u003c\/td\u003e\n            \u003ctd\u003e2013-2024\u003c\/td\u003e\n            \u003ctd\u003e900 XP, RZR 900, Trail S 900\u003c\/td\u003e\n        \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eQ: Is this a Standard Size piston?\u003c\/b\u003e\u003cbr\u003e\nA: Yes, this is the 92.94mm Piston designed for the standard 93.00mm bore. It is the correct choice for cylinders that do not require boring or sleeving.\u003c\/p\u003e\n\n\u003cp\u003e\u003cb\u003eQ: Does this kit include the top-end gaskets?\u003c\/b\u003e\u003cbr\u003e\nA: No, this kit includes the piston, rings, pin, and locks. A top-end gasket kit is required for a leak-free installation and must be purchased separately.\u003c\/p\u003e\n\n\u003cp\u003e\u003cb\u003eQ: What makes the \"Pro Series\" different?\u003c\/b\u003e\u003cbr\u003e\nA: The Wossner Pro Series typically utilizes more advanced forging techniques, such as the double-bridged design, to provide extra reinforcement in high-stress areas of the piston crown and skirt.\u003c\/p\u003e\n\n\u003ch3\u003eRecommended Pairings\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cb\u003eComplete Top End Gasket Set:\u003c\/b\u003e Ensure a professional seal for your Polaris twin-cylinder rebuild.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eHigh-Flow Air Filter:\u003c\/b\u003e Maximize the performance gains of your new forged piston kit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eRestore your Polaris performance today. Buy now at Moto-House MX!\u003c\/p\u003e\n\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\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"Wossner K8930DA-2 Piston Kit\",\n  \"image\": [],\n  \"description\": \"Premium Wossner K8930DA-2 Forged 4-Stroke Piston Kit for Polaris RZR, Ranger, and General 900\/1000 models. 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