{"product_id":"2-namura-040-over-bore-piston-ring-kits-for-sea-doo-580-pwc-1990-1996-77mm","title":"2 Namura .040 Over Bore Piston Ring Kits for Sea-Doo 580 PWC 1990-1996 77mm","description":"\u003ch2\u003ePiston Ring Kits for Sea-Doo\u003c\/h2\u003e\u003cp\u003eThese .040 over bore piston ring kits for Sea-Doo 580 PWC engines from 1990 to 1996 are 77mm in size, providing a precise fit for cylinder rebuilding.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe two .040 over bore piston ring kits are designed for Sea-Doo 580 PWC engines manufactured between 1990 and 1996, with a 77mm bore diameter. These rings restore compression and performance during engine rebuilds. They are intended for mechanics and DIY enthusiasts rebuilding Sea-Doo 580 engines.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eManufactured from high-grade cast iron for durability\u003c\/li\u003e\n\u003cli\u003e.040 over size accommodates worn cylinders\u003c\/li\u003e\n\u003cli\u003e77mm bore diameter for precise fit\u003c\/li\u003e\n\u003cli\u003eIncludes all rings needed for one piston (two kits = two pistons)\u003c\/li\u003e\n\u003cli\u003eEnsures proper ring end gap and sealing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Sea-Doo 580 PWC (1990-1996)\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eEngine rebuilding and overhaul projects\u003c\/li\u003e\n\u003cli\u003eRestoring compression in high-hour PWCs\u003c\/li\u003e\n\u003cli\u003ePerformance maintenance for personal watercraft\u003c\/li\u003e\n\u003cli\u003eCylinder honing and ring replacement\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\u003e77mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOver Bore\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e.040\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 kits (each kit fits one piston)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSea-Doo 580 1990-1996\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 Do these rings require gap filing? \u003cstrong\u003eA:\u003c\/strong\u003e It is recommended to check and adjust ring end gaps according to your cylinder bore measurements for optimal sealing.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Are these rings compatible with stock Sea-Doo 580 pistons? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, they are designed for standard replacement pistons in .040 over bore applications.\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":44888292589654,"sku":"SZ1F07093","price":61.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_f5577083-74c7-42be-82d2-c5724191a4e8.jpg?v=1781089766","url":"https:\/\/www.solidspare.com\/products\/2-namura-040-over-bore-piston-ring-kits-for-sea-doo-580-pwc-1990-1996-77mm","provider":"Solid Spare","version":"1.0","type":"link"}