{"product_id":"3437x-ring-set-87-30mm-for-wiseco","title":"3437X Ring Set 87.30mm for Wiseco","description":"\u003ch2\u003eRing Set for Wiseco\u003c\/h2\u003e\u003cp\u003eThis Wiseco 3437X ring set, sized at 87.30mm, is a piston ring set that seals the combustion chamber and controls oil on the cylinder wall for high-compression powersports and small engine builds.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe Wiseco 3437X ring set delivers a precise 87.30mm fit for pistons that call for this bore size. This ring set works with compatible Wiseco piston applications to restore compression, reduce blow-by, and keep oil where it belongs. Riders, builders, and mechanics choose this ring set for top-end rebuilds where bore accuracy matters.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e87.30mm bore size for exact fitment in matched cylinders\u003c\/li\u003e\n\u003cli\u003eMulti-piece ring construction for sealing and oil control\u003c\/li\u003e\n\u003cli\u003eBuilt to hold compression under high-rpm operation\u003c\/li\u003e\n\u003cli\u003eDesigned for use with compatible Wiseco piston assemblies\u003c\/li\u003e\n\u003cli\u003eSuited to performance and rebuild applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTop-end rebuilds on compatible powersports engines\u003c\/li\u003e\n\u003cli\u003eCylinder refresh when replacing a piston\u003c\/li\u003e\n\u003cli\u003ePerformance builds requiring a matched bore and ring set\u003c\/li\u003e\n\u003cli\u003eRoutine maintenance to restore lost compression\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3437X\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e87.30mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePiston ring set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How do I know this ring set fits my engine? \u003cstrong\u003eA:\u003c\/strong\u003e Match the 87.30mm bore size and the 3437X part number to your piston's requirements before ordering. Ring sets are bore-specific, so confirm the measurement rather than guessing.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Should rings be installed with a new piston? \u003cstrong\u003eA:\u003c\/strong\u003e Rings are commonly fitted when a piston is replaced or a cylinder is refreshed during a top-end rebuild. Check ring end gap during installation to confirm correct fitment.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eSlight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"Solid Spare","offers":[{"title":"Default Title","offer_id":51143327252566,"sku":"OO1C24442","price":105.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_857ec6d5-8c86-44b7-b22e-b2e350009b8b.jpg?v=1794495077","url":"https:\/\/www.solidspare.com\/products\/3437x-ring-set-87-30mm-for-wiseco","provider":"Solid Spare","version":"1.0","type":"link"}