{"product_id":"wiseco-high-performance-forged-piston-kit-97-00mm-2-00mm-oversize-12-5-1-compression-4732m09700","title":"Wiseco High-Performance Forged Piston Kit – 97.00mm (+2.00mm Oversize) | 12.5:1 Compression 4732M09700","description":"\u003cdiv class=\"container\"\u003e\n\u003cdiv class=\"markdown markdown-main-panel enable-updated-hr-color force-compact-layout md-content tutor-markdown-rendering\" id=\"model-response-message-contentr_c2d34744adc5f20f\" dir=\"ltr\"\u003e\n\u003ch2\u003eWiseco High-Performance Forged Piston Kit – 97.00mm (+2.00mm Oversized) | 12.5:1 Compression\u003c\/h2\u003e\n\u003ch3\u003e\n\u003cb\u003ePart Number:\u003c\/b\u003e 4732M09700\u003c\/h3\u003e\n\u003ch3\u003e\n\u003cb\u003eCondition:\u003c\/b\u003e Brand New in Original Packaging\u003c\/h3\u003e\n\u003ch3\u003e\n\u003cb\u003eShipping:\u003c\/b\u003e \u003cb\u003eFREE Fast Shipping to the Lower 48 Continental US States!\u003c\/b\u003e\n\u003c\/h3\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cb\u003eProduct Overview\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eUpgrade your high-performance engine with the \u003cb\u003eWiseco 4732M09700 Forged Piston Kit\u003c\/b\u003e. Engineered in the USA using aerospace-grade aluminum alloys, Wiseco forged pistons deliver superior strength-to-weight ratios, enhanced throttle response, and sustained power under extreme operating conditions.\u003c\/p\u003e\n\u003cp\u003eThis kit features a high-compression \u003cb\u003e12.5:1 ratio\u003c\/b\u003e and a \u003cb\u003e97.00mm bore size (+2.00mm over stock)\u003c\/b\u003e, providing increased displacement and peak performance for off-road motorcycles and ATVs.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cb\u003eKey Features \u0026amp; Benefits\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eForged Aerospace Alloy:\u003c\/b\u003e Machined on state-of-the-art CNC equipment for optimal shape and strength.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eRace-Ready High Compression:\u003c\/b\u003e 12.5:1 ratio designed to maximize horsepower and throttle response.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eComplete Kit:\u003c\/b\u003e Includes forged piston, high-performance ring set, alloy wrist pin, and circlips.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eArmorGlide Skirt Coating:\u003c\/b\u003e Reduces friction, minimizes engine noise, and resists scuffing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eOptimized Oiling:\u003c\/b\u003e Horizontal slot-pin oiling reduces friction and protects against thermal breakdown.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cb\u003eProduct Specifications\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eBrand:\u003c\/b\u003e Wiseco\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eManufacturer Part Number (MPN):\u003c\/b\u003e 4732M09700\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eUPC:\u003c\/b\u003e 758324316191\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eBore - Standard:\u003c\/b\u003e 95.00 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eBore - Actual:\u003c\/b\u003e 97.00 mm (+2.00 mm Oversize)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eEngine Displacement:\u003c\/b\u003e 521cc\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eCompression Ratio:\u003c\/b\u003e 12.5:1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eStroke:\u003c\/b\u003e 72.00 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eEngine Type:\u003c\/b\u003e 4-Stroke\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eMachining Required:\u003c\/b\u003e \u003ci\u003eCylinder boring and\/or replating required for installation.\u003c\/i\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cb\u003eVehicle Fitment Guide\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003ci\u003eCompatible with the following models (please verify fitment prior to purchase):\u003c\/i\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eBeta:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e525 RR (2008 – 2009)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eKTM Motorcycles:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e520 EXC \/ SX (2000 – 2002)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e525 EXC \/ SX \/ SMR (2003 – 2007)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e525 XC (2008 – 2010)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eKTM ATVs:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e525 XC ATV (2008 – 2012)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003ePolaris ATVs:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eOutlaw 525 \/ 525 IRS \/ 525 S (2007 – 2011)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cb\u003eShipping \u0026amp; Handling\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eFREE Shipping:\u003c\/b\u003e Applies strictly to physical addresses within the \u003cb\u003e48 Continental United States\u003c\/b\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eOrder Processing:\u003c\/b\u003e Ships within 1 business day with tracking provided.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eExclusions:\u003c\/b\u003e Alaska, Hawaii, Puerto Rico, US Territories, and APO\/FPO addresses may incur additional shipping fees (please contact us for a quote).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cb\u003eNote:\u003c\/b\u003e \u003ci\u003eProduct images are for illustrative reference; actual item packaging and included components match the listed Wiseco part number.\u003c\/i\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003c\/div\u003e\n\u003c!----\u003e\n\u003c\/div\u003e","brand":"Wiseco","offers":[{"title":"Default Title","offer_id":44012233818186,"sku":"4732M09700","price":281.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0226\/1499\/9114\/files\/s-l1600-2026-08-03T142929.173.webp?v=1785785548","url":"https:\/\/updogindustries.com\/products\/wiseco-high-performance-forged-piston-kit-97-00mm-2-00mm-oversize-12-5-1-compression-4732m09700","provider":"UpdogIndustries.com","version":"1.0","type":"link"}