{"product_id":"namura-standard-bore-size-a-piston-kit-for-suzuki-lt-z400-quadsport-400-90mm","title":"Namura Standard Bore Size A Piston Kit for Suzuki LT-Z400 Quadsport 400 90mm","description":"\u003ch2\u003eStandard Bore Size A Piston Kit for Suzuki LT-Z400 Quadsport 400\u003c\/h2\u003e\u003cp\u003eThis piston kit provides a 90mm standard bore replacement piston for the Suzuki LT-Z400 Quadsport 400, including rings and wrist pin for a complete top-end refresh. Designed for direct installation, this kit restores compression and performance in your four-stroke ATV engine.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis standard bore piston kit is a direct-fit replacement for the Suzuki LT-Z400 Quadsport 400, using a 90mm piston diameter to match the original bore. It is ideal for ATV owners performing a top-end rebuild or refreshing the piston assembly after hours of recreational or competitive use.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eIncludes a forged or cast piston (as per OEM spec) for reliable power delivery\u003c\/li\u003e\n\u003cli\u003ePrecision-machined ring set ensures proper sealing and oil control\u003c\/li\u003e\n\u003cli\u003eWrist pin and circlips included for easy assembly\u003c\/li\u003e\n\u003cli\u003e90mm standard bore eliminates cylinder boring requirements\u003c\/li\u003e\n\u003cli\u003eDesigned to meet or exceed OEM tolerances for durability\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Suzuki LT-Z400 Quadsport 400 (all years using 90mm standard bore)\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eRecreational trail riding\u003c\/li\u003e\n\u003cli\u003eATV racing and sport riding\u003c\/li\u003e\n\u003cli\u003eEngine rebuild after high-hour usage\u003c\/li\u003e\n\u003cli\u003eMaintenance for competitive desert or motocross events\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\u003e90mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePiston Style\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard Bore Size A\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\u003eSize A, 90mm\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 head gasket? \u003cstrong\u003eA:\u003c\/strong\u003e No, this piston kit includes only the piston, rings, and wrist pin; separate gasket sets are required for a complete top-end rebuild.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Is this piston compatible with a bored cylinder? \u003cstrong\u003eA:\u003c\/strong\u003e No, it is sized for a standard 90mm bore; an oversize piston must be used if the cylinder has been bored.\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":44949752053846,"sku":"SZ1F14090","price":197.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_8d0bc13a-1695-4a05-a7a0-329839b9c48c.jpg?v=1781398028","url":"https:\/\/www.solidspare.com\/products\/namura-standard-bore-size-a-piston-kit-for-suzuki-lt-z400-quadsport-400-90mm","provider":"Solid Spare","version":"1.0","type":"link"}