{"product_id":"namura-040-over-bore-piston-rings-for-polaris-300-xplorer-xpress-75-5mm","title":"Namura .040 Over Bore Piston Rings for Polaris 300 Xplorer Xpress 75.5mm","description":"\u003ch2\u003e.040 Over Bore Piston Rings for Polaris\u003c\/h2\u003e\u003cp\u003eThese Namura .040 over bore piston rings for Polaris 300 Xplorer and Xpress are high-performance parts sized at 75.5mm to restore engine compression. These piston rings ensure a tight seal between the piston and cylinder for optimal power delivery.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe Namura .040 over bore piston rings for Polaris are ideal for engine rebuilds requiring cylinder boring. These piston rings restore the internal seal of the motor to improve combustion efficiency. Choosing these piston rings for Polaris equipment provides a dependable way to return your engine to its intended performance level.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eAdvanced alloy construction for heat tolerance\u003c\/li\u003e\n\u003cli\u003eSized for .040 over bore cylinders\u003c\/li\u003e\n\u003cli\u003eEngineered for consistent ring seal\u003c\/li\u003e\n\u003cli\u003eLong-lasting durability under load\u003c\/li\u003e\n\u003cli\u003ePrecision machined for gap integrity\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Polaris 300 Xplorer\u003c\/li\u003e\n\u003cli\u003efor Polaris Xpress\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eFull top-end engine overhauls\u003c\/li\u003e\n\u003cli\u003eRestoration after high-hour wear\u003c\/li\u003e\n\u003cli\u003ePerformance repair for bored engines\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e.040 Over Bore \/ 75.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What is the benefit of a .040 over bore? \u003cstrong\u003eA:\u003c\/strong\u003e Boring the cylinder cleans up deep scratches and worn surfaces to provide a fresh, true surface for the piston rings to seal against. \u003cstrong\u003eQ:\u003c\/strong\u003e Can these be installed on a stock cylinder? \u003cstrong\u003eA:\u003c\/strong\u003e No, these must be installed on a cylinder that has been specifically machined to the .040 over size.\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":44792294015062,"sku":"SZ1F02332","price":32.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_4e2aa151-ebd0-4b2b-9d91-6adccc2c8c44.jpg?v=1780066585","url":"https:\/\/www.solidspare.com\/products\/namura-040-over-bore-piston-rings-for-polaris-300-xplorer-xpress-75-5mm","provider":"Solid Spare","version":"1.0","type":"link"}