{"product_id":"2-namura-020-over-bore-piston-ring-kits-for-sea-doo-580-pwc-1990-1996-76-5mm","title":"2 Namura .020 Over Bore Piston Ring Kits for Sea-Doo 580 PWC 1990-1996 76.5mm","description":"\u003ch2\u003ePiston Ring Kits for Sea-Doo\u003c\/h2\u003e\u003cp\u003eThese two .020 oversize piston ring kits are designed for Sea-Doo 580 PWC engines from 1990 to 1996, with a bore size of 76.5mm, providing replacement rings for top end rebuilds.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis set of two Namura piston ring kits is intended for Sea-Doo 580 personal watercraft engines built between 1990 and 1996, using a 76.5mm bore and .020 overbore size. Each kit contains the rings needed for one piston, allowing you to restore compression and performance during engine rebuilding.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eManufactured from high-strength ductile iron for wear resistance\u003c\/li\u003e\n\u003cli\u003ePrecision-ground to .020 overbore specification for accurate fit\u003c\/li\u003e\n\u003cli\u003eEach kit includes all rings required for a single piston\u003c\/li\u003e\n\u003cli\u003eDesigned to provide optimal cylinder sealing and oil control\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\u003eDuring top end rebuilds on Sea-Doo 580 personal watercraft\u003c\/li\u003e\n\u003cli\u003eWhen replacing worn piston rings to improve compression and reduce blow-by\u003c\/li\u003e\n\u003cli\u003eAs part of an engine overhaul after boring the cylinder to .020 over size\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e76.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOversize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e.020 in\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 per piston)\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 Are these ring kits compatible with standard bore cylinders? \u003cstrong\u003eA:\u003c\/strong\u003e These are .020 oversize rings, so they require the cylinder to be bored to 76.5mm; they will not fit a standard bore.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Do the kits include the oil ring expander? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, each kit includes all rings—compression rings and oil ring assembly including expander.\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":44888290558038,"sku":"SZ1F07031","price":61.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_41b122c9-bd54-46b8-b34f-20329cc30770.jpg?v=1781089673","url":"https:\/\/www.solidspare.com\/products\/2-namura-020-over-bore-piston-ring-kits-for-sea-doo-580-pwc-1990-1996-76-5mm","provider":"Solid Spare","version":"1.0","type":"link"}