{"product_id":"2-spi-020-over-bore-piston-kits-for-polaris-500-rmk-fits-1997-1998-1999-72-5mm","title":"2 SPI .020 Over Bore Piston Kits for Polaris 500 RMK fits 1997 1998 1999 72.5mm","description":"\u003ch2\u003e2 SPI .020 Over Bore Piston Kits for Polaris\u003c\/h2\u003e\u003cp\u003eThese piston kits provide a .020 inch oversize bore for Polaris 500 RMK snowmobile engines from 1997 to 1999, using a 72.5mm bore diameter.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThese 2 SPI .020 over bore piston kits are designed for rebuilding Polaris 500 RMK engines. Each kit includes a pair of pistons, rings, and wrist pins for a complete top-end overhaul. The .020 oversize allows for a fresh bore on worn cylinders, restoring compression and performance.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePrecision-machined from high-strength aluminum alloy for durability\u003c\/li\u003e\n\u003cli\u003eCoated skirts reduce friction and wear during operation\u003c\/li\u003e\n\u003cli\u003ePlasma-moly piston rings provide excellent seal and longevity\u003c\/li\u003e\n\u003cli\u003eMatched weight sets ensure balanced engine operation\u003c\/li\u003e\n\u003cli\u003eIncludes wrist pins and circlips for easy installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Polaris 500 RMK (1997-1999)\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eBackcountry trail riding and snowmobile adventures\u003c\/li\u003e\n\u003cli\u003eSnowmobile racing and high-performance applications\u003c\/li\u003e\n\u003cli\u003eHeavy snow conditions requiring reliable engine output\u003c\/li\u003e\n\u003cli\u003eRestoration of older Polaris 500 RMK snowmobiles\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\u003e72.5mm\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 pistons per kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminum alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePolaris 500 RMK 1997-1999\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 What is included in the kit? \u003cstrong\u003eA:\u003c\/strong\u003e Each kit includes two pistons, piston rings, wrist pins, and retaining circlips.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Can these pistons be used with a standard bore? \u003cstrong\u003eA:\u003c\/strong\u003e No, these are .020 oversize and require the cylinder to be bored to match.\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":44949839511638,"sku":"SZ1F15662","price":318.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_7db16afa-f45d-49c4-9daf-41cbf3afdefe.jpg?v=1781400055","url":"https:\/\/www.solidspare.com\/products\/2-spi-020-over-bore-piston-kits-for-polaris-500-rmk-fits-1997-1998-1999-72-5mm","provider":"Solid Spare","version":"1.0","type":"link"}