{"product_id":"2-spi-standard-bore-piston-kits-for-polaris-xc-500-xc-sp-500-rmk-classic-70-5mm","title":"2 SPI Standard Bore Piston Kits for Polaris XC 500, XC SP 500 RMK Classic 70.5mm","description":"\u003ch2\u003e2 SPI Standard Bore Piston Kits for Polaris\u003c\/h2\u003e\u003cp\u003eThis set of two SPI standard bore piston kits provides a reliable replacement for Polaris XC 500, XC SP 500, and RMK Classic snowmobiles, featuring a 70.5mm bore size.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThese SPI standard bore piston kits are designed for Polaris snowmobile engines, offering direct replacement for dealers and enthusiasts. Each kit includes a piston, rings, wrist pin, and circlips to restore compression and performance in 500cc twin-cylinder models.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eStandard bore design maintains factory compression ratios\u003c\/li\u003e\n\u003cli\u003eIncludes piston rings for proper sealing and reduced blow-by\u003c\/li\u003e\n\u003cli\u003eWrist pin and circlips included for complete installation\u003c\/li\u003e\n\u003cli\u003e70.5mm bore size matches OEM specifications for XC 500 engines\u003c\/li\u003e\n\u003cli\u003eSold as a pair for both cylinders\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Polaris XC 500\u003c\/li\u003e\n\u003cli\u003efor Polaris XC SP 500\u003c\/li\u003e\n\u003cli\u003efor Polaris RMK Classic\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eSnowmobile engine rebuilds\u003c\/li\u003e\n\u003cli\u003eTrail riding and recreational snowmobiling\u003c\/li\u003e\n\u003cli\u003eRacing and performance applications on 500cc Polaris models\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\u003e70.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard Bore\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 piston kits include piston rings? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, each piston kit comes with rings, wrist pin, and circlips for a complete top-end rebuild.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Are these pistons compatible with aftermarket cylinders? \u003cstrong\u003eA:\u003c\/strong\u003e They are designed for standard bore cylinders; if cylinders have been overbored, a different size may be required.\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":44949836005462,"sku":"SZ1F15558","price":307.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_e33ae9c5-7168-4548-9248-b6b041eca663.jpg?v=1781399917","url":"https:\/\/www.solidspare.com\/products\/2-spi-standard-bore-piston-kits-for-polaris-xc-500-xc-sp-500-rmk-classic-70-5mm","provider":"Solid Spare","version":"1.0","type":"link"}