{"product_id":"wiseco-forged-piston-kit-polaris-500-92-5mm-oversize-4stroke","title":"Wiseco Forged Piston Kit with Gaskets - Polaris Sportsman 500 \/ Scrambler 500 \/ Magnum 500 (1996-2012) - 92.50mm Bore (+0.50mm Oversize) - 10.2:1 - 4-Stroke","description":"\u003ch2\u003eWiseco Forged Piston Kit with Gaskets - Polaris 500cc ATV Platform\u003c\/h2\u003e\n\n\u003cp\u003ePremium Wiseco forged piston kit with complete top-end gasket set for the legendary Polaris 500cc ATV platform. This is the \u003cstrong\u003e+0.50mm OVERSIZE (92.50mm)\u003c\/strong\u003e kit for worn cylinder bores!\u003c\/p\u003e\n\n\u003ch3\u003e⚠️ Oversize Piston - Cylinder Boring Required\u003c\/h3\u003e\n\n\u003cp\u003eThis piston is +0.50mm oversize. Cylinder must be bored to 92.50mm for proper fit.\u003c\/p\u003e\n\n\u003ch3\u003eKit Includes\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003ePiston Kit #4677M09250\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eRing Set #3642XC\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eWrist Pin #S591\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eWrist Pin Retainer Set #CW23\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eGasket Kit #W5747\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eForged Series design for maximum strength and durability\u003c\/li\u003e\n\u003cli\u003e2618 aluminum alloy construction - preferred for high-performance\u003c\/li\u003e\n\u003cli\u003e10.2:1 compression ratio\u003c\/li\u003e\n\u003cli\u003eComplete top-end gasket kit included\u003c\/li\u003e\n\u003cli\u003e17 years of fitment (1996-2012)!\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePiston Specifications\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eBore Size: 92.50 mm (+0.50mm Oversize)\u003c\/li\u003e\n\u003cli\u003ePiston Diameter: 92.45 mm\u003c\/li\u003e\n\u003cli\u003eStroke Length: 75.00 mm\u003c\/li\u003e\n\u003cli\u003eCompression Ratio: 10.2:1\u003c\/li\u003e\n\u003cli\u003eMaterial: 2618 Aluminum Alloy\u003c\/li\u003e\n\u003cli\u003eSkirt Coating: Non-Coated\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eEngine Specifications\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eDisplacement: 499cc\u003c\/li\u003e\n\u003cli\u003eEngine Type: 4-Stroke\u003c\/li\u003e\n\u003cli\u003eWeight: 2.05 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003ePolaris Sportsman 500:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSportsman 500 4x4: 1996-2000\u003c\/li\u003e\n\u003cli\u003eSportsman 500 HO: 2001-2006, 2008\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003ePolaris Scrambler:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eScrambler 500 4x4: 2008-2012\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003ePolaris Magnum:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMagnum 500 4x4: 1999-2002\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003ePolaris ATP:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eATP 500: 2005\u003c\/li\u003e\n\u003cli\u003eATP 500 H.O. 4x4: 2004\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003ePolaris Xplorer:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eXplorer 500 4x4: 1997\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Parts Unlimited","offers":[{"title":"Default Title","offer_id":47694688878817,"sku":"0903-0919","price":289.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1219\/2993\/files\/Screenshot2025-12-14202317.png?v=1765772900","url":"https:\/\/dunegoonshop.com\/products\/wiseco-forged-piston-kit-polaris-500-92-5mm-oversize-4stroke","provider":"Dune Goons","version":"1.0","type":"link"}