{"product_id":"namura-020-over-bore-top-end-rebuild-kit-for-honda-trx400ex-trx400x-85-5mm","title":"Namura .020 Over Bore Top End Rebuild Kit for Honda TRX400EX \u0026 TRX400X 85.5mm","description":"\u003ch2\u003eNamura .020 Over Bore Top End Rebuild Kit for Honda TRX400EX \u0026amp; TRX400X 85.5mm\u003c\/h2\u003e\u003cp\u003eThis Namura top end rebuild kit delivers everything needed to restore compression and power on Honda TRX400EX and TRX400X ATVs using a .020 over bore and 85.5mm piston.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe Namura .020 over bore top end rebuild kit is a comprehensive package for Honda TRX400EX and TRX400X models, featuring a high-performance piston, rings, wrist pin, circlips, and gaskets. Designed for engine rebuilds, this top end rebuild kit ensures a precise fit for the 85.5mm bore size, helping riders maintain peak performance.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePremium .020 over bore 85.5mm piston for increased displacement\u003c\/li\u003e\n\u003cli\u003eHigh-strength rings and wrist pin for reliable operation\u003c\/li\u003e\n\u003cli\u003eComplete gasket set included for a seamless rebuild\u003c\/li\u003e\n\u003cli\u003ePrecision-machined components for optimal fit\u003c\/li\u003e\n\u003cli\u003eDurable construction withstands high RPM and heat\u003c\/li\u003e\n\u003cli\u003eEngineered for easy installation with standard tools\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Honda TRX400EX\u003c\/li\u003e\n\u003cli\u003efor Honda TRX400X\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eIdeal for restoring top end power in Honda TRX400EX sport ATVs\u003c\/li\u003e\n\u003cli\u003eCommonly used during full engine rebuilds or top end refresh\u003c\/li\u003e\n\u003cli\u003eSuitable for trail riding, racing, and recreational riding\u003c\/li\u003e\n\u003cli\u003eDesigned for mechanics and DIY builders working on Honda 400EX engines\u003c\/li\u003e\n\u003cli\u003eHandles sustained high-load conditions in off-road environments\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\u003e85.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOverbore\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e.020 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHonda TRX400EX \/ TRX400X\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNamura .020 Over Bore Top End Rebuild Kit\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 Does this kit include the cylinder? \u003cstrong\u003eA:\u003c\/strong\u003e No, this is a top end rebuild kit that includes the piston, rings, wrist pin, circlips, and gaskets; the cylinder is reused or sourced separately.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Is the .020 over bore suitable for all Honda TRX400EX models? \u003cstrong\u003eA:\u003c\/strong\u003e The .020 over bore is designed for cylinders that have been bored 0.020 inch oversize; confirm your cylinder bore condition before ordering.\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":44949766176854,"sku":"SZ1F14427","price":219.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_633ecd92-e265-4fbf-b6ff-4b1a798b591b.jpg?v=1781398435","url":"https:\/\/www.solidspare.com\/products\/namura-020-over-bore-top-end-rebuild-kit-for-honda-trx400ex-trx400x-85-5mm","provider":"Solid Spare","version":"1.0","type":"link"}