{"product_id":"namura-standard-bore-piston-kit-for-polaris-trail-blazer-250-fits-1990-2006-72mm","title":"Namura Standard Bore Piston Kit for Polaris Trail Blazer 250 fits 1990-2006 72mm","description":"\u003ch2\u003eNamura Standard Bore Piston Kit for Polaris Trail Blazer 250 fits 1990-2006 72mm\u003c\/h2\u003e\u003cp\u003eThis Namura standard bore piston kit is a direct replacement piston assembly for Polaris Trail Blazer 250 models from 1990 to 2006, featuring a 72mm bore diameter to restore factory‑spec compression and performance.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe Namura standard bore piston kit for Polaris Trail Blazer 250 delivers a precision‑machined piston with rings and pin, engineered to match the original 72mm bore dimensions for 1990‑2006 Trail Blazer 250 engines. This standard bore piston kit is the ideal choice when your cylinder is still within factory specifications, providing reliable power and durability for your Polaris ATV.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePrecision‑cast piston for consistent expansion and heat transfer\u003c\/li\u003e\n\u003cli\u003eIncludes piston rings, wrist pin, and circlips for a complete top‑end rebuild\u003c\/li\u003e\n\u003cli\u003eStandard 72mm bore matches factory specifications\u003c\/li\u003e\n\u003cli\u003eMatching skirt profile reduces piston slap and noise\u003c\/li\u003e\n\u003cli\u003eDesigned to meet or exceed OEM specifications for Polaris engines\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Polaris Trail Blazer 250 (1990-2006)\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTrail riding and recreational off‑roading\u003c\/li\u003e\n\u003cli\u003eUtility and farm use requiring reliable engine performance\u003c\/li\u003e\n\u003cli\u003eRestoration of vintage Polaris Trail Blazer 250 quads\u003c\/li\u003e\n\u003cli\u003eTop‑end rebuild during routine engine maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard Bore Piston Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e72mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePolaris Trail Blazer 250 1990-2006\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIncluded Components\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePiston, rings, pin, circlips\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 Will this kit fit my Polaris Trail Blazer 250 if the cylinder has been previously bored? \u003cstrong\u003eA:\u003c\/strong\u003e This standard bore kit is designed for cylinders that are still at the factory 72mm bore size; it will not fit a cylinder that has been overbored. Measure your cylinder bore before purchasing.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Do I need any additional parts to complete the installation? \u003cstrong\u003eA:\u003c\/strong\u003e You will need a new head gasket, base gasket, and piston pin bearing. We recommend also replacing the cylinder if there is visible wear or scoring.\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":44890489815126,"sku":"SZ1F11841","price":136.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_744b4874-5072-4246-b62b-5c0e89f98c52.jpg?v=1781140587","url":"https:\/\/www.solidspare.com\/products\/namura-standard-bore-piston-kit-for-polaris-trail-blazer-250-fits-1990-2006-72mm","provider":"Solid Spare","version":"1.0","type":"link"}