{"product_id":"spi-piston-kit-for-polaris-440-xcf-transport-indy-trail-030-over-bore-68-5mm","title":"SPI Piston Kit for Polaris 440 XCF TranSport Indy Trail .030 Over Bore 68.5mm","description":"\u003ch2\u003ePiston Kit for Polaris\u003c\/h2\u003e\u003cp\u003eThis piston kit is a direct replacement for Polaris 440 XCF, TranSport, and Indy Trail snowmobile engines, featuring a .030 over bore with a 68.5mm diameter to restore compression and performance. It provides the necessary components for a complete top-end rebuild.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis piston kit is designed for Polaris 440 XCF, TranSport, and Indy Trail snowmobiles, offering a .030 over bore at 68.5mm for rebuilding worn cylinders. It includes a piston, rings, wrist pin, and circlips, making it a complete solution for restoring engine power. Ideal for racers and riders seeking reliable performance from their Polaris 440 engine.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePrecision-machined 68.5mm piston with .030 over bore\u003c\/li\u003e\n\u003cli\u003eHigh-strength aluminum alloy construction for durability\u003c\/li\u003e\n\u003cli\u003eIncludes premium piston rings for optimal sealing\u003c\/li\u003e\n\u003cli\u003eWrist pin and circlips included for complete installation\u003c\/li\u003e\n\u003cli\u003eDesigned for Polaris 440 XCF, TranSport, and Indy Trail engines\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Polaris 440 XCF\u003c\/li\u003e\n\u003cli\u003efor Polaris TranSport\u003c\/li\u003e\n\u003cli\u003efor Polaris Indy Trail\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTrail riding and racing on snowmobiles\u003c\/li\u003e\n\u003cli\u003eEngine rebuilds requiring a .030 over bore\u003c\/li\u003e\n\u003cli\u003eReplacing worn pistons in Polaris 440 engines\u003c\/li\u003e\n\u003cli\u003eRestoring compression and power in high-mileage engines\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\u003e68.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOverbore\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e.030\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine Displacement\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e440cc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Models\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eXCF, TranSport, Indy Trail\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 piston kit include all necessary parts? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, the kit includes a piston, rings, wrist pin, and circlips for a complete top-end rebuild.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Will this fit my Polaris 440 engine? \u003cstrong\u003eA:\u003c\/strong\u003e This kit is designed for 440 XCF, TranSport, and Indy Trail models; verify the engine's bore size and model before ordering.\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":44890438664278,"sku":"SZ1F11088","price":120.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_b588e451-3ad7-4d8f-89e4-42793b04104c.jpg?v=1781139329","url":"https:\/\/www.solidspare.com\/products\/spi-piston-kit-for-polaris-440-xcf-transport-indy-trail-030-over-bore-68-5mm","provider":"Solid Spare","version":"1.0","type":"link"}