{"product_id":"spi-040-over-bore-top-end-repair-kit-for-polaris-550-f-c-1999-2021-74mm","title":"SPI .040 Over Bore Top End Repair Kit for Polaris 550 F\/C 1999-2021 74mm","description":"\u003ch2\u003eSPI .040 Over Bore Top End Repair Kit for Polaris\u003c\/h2\u003e\u003cp\u003eThis SPI .040 over bore top end repair kit is designed for Polaris 550 F\/C engines from 1999 to 2021, featuring a 74mm bore size.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis SPI .040 over bore top end repair kit provides all the components needed to rebuild the cylinder head and piston assembly on Polaris 550 F\/C engines. It is sized at 74mm bore for a .040 overbore application. Ideal for restoring compression and performance on engines from 1999 through 2021.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eIncludes cylinder, piston, rings, wrist pin, and gaskets\u003c\/li\u003e\n\u003cli\u003eForged piston for strength and reliability\u003c\/li\u003e\n\u003cli\u003e.040 over bore increases displacement slightly\u003c\/li\u003e\n\u003cli\u003e74mm bore matches oversize specification\u003c\/li\u003e\n\u003cli\u003eDirect fit for Polaris 550 F\/C engines\u003c\/li\u003e\n\u003cli\u003eHigh-temperature resistant gaskets included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Polaris 550 F\/C (1999-2021)\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eEngine overhaul on Polaris 550 F\/C vehicles\u003c\/li\u003e\n\u003cli\u003eRestoring lost compression and power\u003c\/li\u003e\n\u003cli\u003eRepairing worn cylinder and piston\u003c\/li\u003e\n\u003cli\u003eRacing or performance rebuilds\u003c\/li\u003e\n\u003cli\u003eMaintaining fleet vehicles\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\u003e74mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOverbore\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e.040\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePolaris 550 F\/C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eYears\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1999-2021\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 Does this kit include a new cylinder? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, it includes a new cylinder, piston, rings, wrist pin, and gaskets for a complete top end rebuild.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Is the piston coated? \u003cstrong\u003eA:\u003c\/strong\u003e The piston features a high-strength forging and may include a skirt coating for reduced friction.\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":44949843968086,"sku":"SZ1F15767","price":329.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_1af305a1-b847-46dc-b7d7-e550e56b65cd.jpg?v=1781400740","url":"https:\/\/www.solidspare.com\/products\/spi-040-over-bore-top-end-repair-kit-for-polaris-550-f-c-1999-2021-74mm","provider":"Solid Spare","version":"1.0","type":"link"}