{"product_id":"namura-piston-rings-fits-kawasaki-ultra-150-1200-stx-r-020-over-bore-80-5mm","title":"Namura Piston Rings fits Kawasaki Ultra 150 \u0026 1200 STX-R .020 Over Bore 80.5mm","description":"\u003ch2\u003e.020 Over Bore Piston Rings for Namura\u003c\/h2\u003e\u003cp\u003eThese .020 over bore piston rings for Namura provide an effective seal for restored cylinder walls in Kawasaki Ultra 150 and 1200 STX-R watercraft. These piston rings for Namura are manufactured to meet the rigorous demands of high-performance marine engines.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe .020 over bore piston rings for Namura function by creating a tight barrier between the piston and the 80.5mm cylinder wall. Utilizing these piston rings for Namura helps maintain engine compression ratios after a professional boring service has been performed. This set is designed for reliable operation in marine environments.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eSpecifically sized for 80.5mm cylinder bores\u003c\/li\u003e\n\u003cli\u003eDurable alloy construction for consistent seal\u003c\/li\u003e\n\u003cli\u003eHeat treated to maintain tension under load\u003c\/li\u003e\n\u003cli\u003eEngineered for rapid seating during break-in\u003c\/li\u003e\n\u003cli\u003eCorrosion resistant coating for marine longevity\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Kawasaki Ultra 150\u003c\/li\u003e\n\u003cli\u003efor Kawasaki 1200 STX-R\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCylinder wall rejuvenation in marine engines\u003c\/li\u003e\n\u003cli\u003eMaintenance on worn 1200cc power plants\u003c\/li\u003e\n\u003cli\u003eRebuilding engines to factory compression specs\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\u003e80.5mm\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\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 rings compatible with OEM pistons? \u003cstrong\u003eA:\u003c\/strong\u003e These rings are designed for compatibility with specific piston profiles, so check that your piston architecture matches the requirements.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How does the .020 oversize affect performance? \u003cstrong\u003eA:\u003c\/strong\u003e The oversize restores the cylinder geometry to a clean surface, which allows the rings to seat properly and regain engine power.\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":44792310792278,"sku":"SZ1F02677","price":33.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_d6f73541-6dd8-421b-b257-4eda5a4d2233.jpg?v=1780067079","url":"https:\/\/www.solidspare.com\/products\/namura-piston-rings-fits-kawasaki-ultra-150-1200-stx-r-020-over-bore-80-5mm","provider":"Solid Spare","version":"1.0","type":"link"}