{"product_id":"2-namura-020-over-bore-piston-kits-for-ski-doo-1000-4-strokes-2003-2006-100-5mm","title":"2 Namura .020 Over Bore Piston Kits for Ski-Doo 1000 4-Strokes 2003-2006 100.5mm","description":"\u003ch2\u003e2 Namura .020 Over Bore Piston Kits for Ski-Doo\u003c\/h2\u003e\u003cp\u003eThese two Namura .020 over bore piston kits are designed for use in Ski-Doo 1000 4-stroke engines from 2003 to 2006, offering a 100.5mm bore size with rings, pins, and circlips included for a complete top-end rebuild.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eEach Namura .020 over bore piston kit is precision-machined from high-silicon aluminum alloy and paired with a compatible ring set to restore compression and power in Ski-Doo 1000 4-stroke engines. This two-kit set covers both cylinders, making it a convenient solution for engines requiring a .020 over bore (100.5mm) during rebuilds on 2003-2006 models.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eHigh-silicon aluminum alloy construction for thermal stability and reduced expansion\u003c\/li\u003e\n\u003cli\u003ePrecision-machined wrist pin bores and ring grooves for accurate fit\u003c\/li\u003e\n\u003cli\u003eIncludes rings, wrist pins, and circlips per piston\u003c\/li\u003e\n\u003cli\u003e.020 over (100.5mm) size accommodates worn cylinder walls\u003c\/li\u003e\n\u003cli\u003eMatched set of two kits ensures consistent compression across both cylinders\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Ski-Doo 1000 4-Stroke (2003-2006)\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eRebuilding top ends on high-mileage Ski-Doo 1000 snowmobile engines\u003c\/li\u003e\n\u003cli\u003eRestoring lost compression and reducing oil consumption after cylinder wear\u003c\/li\u003e\n\u003cli\u003ePerforming a .020 over bore to refresh an engine block with light scoring\u003c\/li\u003e\n\u003cli\u003eReplacing worn pistons during full engine overhaul for performance or reliability\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 kits (includes pistons, rings, pins, circlips)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBore Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100.5mm (.020 over standard)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh-silicon aluminum alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Engine\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSki-Doo 1000 4-Stroke (2003-2006)\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 I need to have my cylinders bored to use these pistons? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, these .020 over pistons require the cylinders to be bored to 100.5mm by a qualified machinist to achieve proper piston-to-wall clearance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Are the rings pre-gapped? \u003cstrong\u003eA:\u003c\/strong\u003e Rings are supplied standard and should be checked and adjusted to the specified end gap for your engine during installation.\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":44949903343702,"sku":"SZ1F16181","price":384.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/1_22e813eb-5f42-4af4-b4c4-424de51ab1d5.jpg?v=1781401271","url":"https:\/\/www.solidspare.com\/products\/2-namura-020-over-bore-piston-kits-for-ski-doo-1000-4-strokes-2003-2006-100-5mm","provider":"Solid Spare","version":"1.0","type":"link"}