{"product_id":"athena-p400510100008-490cc-big-bore-cylinder-kit-100mm-bore-high-performance-4-stroke-top-end-rebuild-kit-with-forged-piston-gaskets-compatible-with-suzuki-lt-r450-quadracer-2006-2011","title":"Athena P400510100008 490cc Big Bore Cylinder Kit (100mm Bore) - High-Performance 4-Stroke Top End Rebuild Kit with Forged Piston \u0026 Gaskets, Compatible with Suzuki LT-R450 QuadRacer 2006-2011","description":"\u003cp\u003eUPGRADE YOUR SPORT ATV TO THE NEXT LEVEL OF PERFORMANCE Extract massive power, aggressive low-end torque, and unmatched acceleration from your 450cc four-stroke race-quad engine with the Athena Big Bore Cylinder Kit (Part No. P400510100008), a premium race-proven package engineered in Italy to seamlessly convert your factory setup into a high-revving, high-output 490cc powerhouse. Entirely cast from high-grade aluminum and treated with a specialized Motor-Nicksil (Nickel-Silicon) coating, this cylinder guarantees exceptional thermal dissipation, minimal friction, and optimal wear resistance to deliver a substantial increase along the entire power curve while maintaining strict original-equipment reliability. This complete bolt-on kit comes loaded with everything required for a flawless installation—including a widened water-jacket 100mm aluminum cylinder, a high-performance forged piston coated with molybdenum, premium rings, wrist pin, clips, and a specific high-tightness multi-layer gasket set—allowing you to dramatically increase track, trail, and dune performance without requiring any complex machining or structural engine modifications to your factory crankcase.\u003cbr\u003e\u003c\/p\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":52666482458911,"sku":"P400510100008","price":1025.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0813\/2195\/1519\/files\/P400510100008-1.jpg?v=1783623370","url":"https:\/\/massdepot.com\/products\/athena-p400510100008-490cc-big-bore-cylinder-kit-100mm-bore-high-performance-4-stroke-top-end-rebuild-kit-with-forged-piston-gaskets-compatible-with-suzuki-lt-r450-quadracer-2006-2011","provider":"Mass Depot","version":"1.0","type":"link"}