{"product_id":"namura-020-over-bore-piston-top-end-gasket-kit-for-honda-foreman-400-86-5mm","title":"Namura .020 Over Bore Piston \u0026 Top End Gasket Kit for Honda Foreman 400 86.5mm","description":"\u003ch2\u003eNamura .020 Over Bore Piston \u0026amp; Top End Gasket Kit for Honda\u003c\/h2\u003e\u003cp\u003eThis aftermarket piston and top end gasket kit is designed for rebuilding a Honda Foreman 400 ATV, featuring a .020 over bore (86.5mm) to restore compression and performance.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe Namura .020 Over Bore Piston \u0026amp; Top End Gasket Kit provides a complete top end rebuild solution for your Honda Foreman 400. This piston and gasket kit includes an 86.5mm oversize piston with rings and all necessary gaskets to ensure a reliable rebuild. Designed specifically for the Honda Foreman 400, this kit delivers a perfect fit and dependable operation.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e86.5mm bore diameter provides .020 oversize for increased displacement\u003c\/li\u003e\n\u003cli\u003eHigh-strength aluminum alloy piston for durability\u003c\/li\u003e\n\u003cli\u003ePrecision-machined piston skirt for reduced friction\u003c\/li\u003e\n\u003cli\u003eIncludes complete top end gasket set with head gasket, base gasket, and O-rings\u003c\/li\u003e\n\u003cli\u003eMatched ring set ensures proper sealing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Honda Foreman 400\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eRebuilding the top end of a Honda Foreman 400 ATV\u003c\/li\u003e\n\u003cli\u003eRestoring compression after a cylinder bore operation\u003c\/li\u003e\n\u003cli\u003eReplacing a worn or damaged piston and gaskets\u003c\/li\u003e\n\u003cli\u003eOverhauling the engine to improve power and reliability\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e86.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOversize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e.020 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHonda Foreman 400\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKit Contents\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePiston, Rings, Top End Gaskets\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 Is this piston kit compatible with standard bore cylinders? \u003cstrong\u003eA:\u003c\/strong\u003e No, this is a .020 overbore piston designed for cylinders bored to 86.5mm; it will not fit a standard bore cylinder.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does the gasket set include a cylinder base gasket? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, the top end gasket kit includes all necessary gaskets including the head gasket, base gasket, and O-rings for a complete top end rebuild.\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":44949761032278,"sku":"SZ1F14273","price":202.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_7b0c85d4-bff9-4213-948e-3e79503a951b.jpg?v=1781398237","url":"https:\/\/www.solidspare.com\/products\/namura-020-over-bore-piston-top-end-gasket-kit-for-honda-foreman-400-86-5mm","provider":"Solid Spare","version":"1.0","type":"link"}