{"product_id":"wossner-4075da-piston-kit-2023-2025-ktm-450-sx-f-xc-f-husqvarna-fc450-gas-gas","title":"Wossner 4075DA Piston Kit - 2023-2025 KTM 450 SX-F XC-F Husqvarna FC450 Gas Gas","description":"\u003ch3\u003eWossner 4075DA Premium Forged Piston Kit\u003c\/h3\u003e\n\n\u003cp\u003eWhen your high-revving 450cc engine requires a top-end refresh, the Wossner 4075DA Piston Kit is the definitive choice for restoring Factory Quality performance. Engineered for the latest generation of KTM, Husqvarna, and Gas Gas 4-stroke powerplants, this Premium Series kit is designed to handle the extreme cylinder pressures and heat of professional motocross and supermoto racing. At Moto-House MX, we provide the precision-forged components needed to maintain peak compression and reliable power delivery.\u003c\/p\u003e\n\n\u003cp\u003eForged from aerospace-grade aluminum alloy, this piston features a gas-ported two-ring design that utilizes combustion pressure to force the rings against the cylinder wall for a superior seal. The permanent skirt coating significantly reduces friction and piston rock, resulting in a quieter engine and improved mechanical efficiency. Designed for a high-performance 13.5:1 compression ratio, this kit ensures your bike retains its racing edge while providing the structural integrity required for long motos and technical trails.\u003c\/p\u003e\n\n\u003ch3\u003eTop Features: Wossner 4075DA Piston Kit\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cb\u003eAerospace Forged Alloy:\u003c\/b\u003e Superior strength and heat resistance for high-RPM reliability in 450cc engines.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eGas Ported Design:\u003c\/b\u003e Maximizes ring seal for increased compression and consistent horsepower output.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eLow-Friction Skirt Coating:\u003c\/b\u003e Permanent coating reduces wear and engine noise for smoother operation.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003ePrecision Lightweight Machining:\u003c\/b\u003e Maintains structural strength while reducing reciprocating mass for faster revs.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eComplete Kit:\u003c\/b\u003e Includes everything needed for a rebuild: forged piston, rings, wrist pin, and clips.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cb\u003eExpert Pro-Tip:\u003c\/b\u003e High-performance 450 engines rely on tight tolerances. When installing your new Wossner piston, always use a new top-end gasket kit and verify your valve clearances are within factory specifications to ensure a perfect rebuild and long-term durability.\u003c\/p\u003e\n\n\u003ch3\u003eFitment List\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" style=\"width: 100%; border-collapse: collapse;\"\u003e\n    \u003cthead\u003e\n        \u003ctr\u003e\n            \u003cth\u003eYear Range\u003c\/th\u003e\n            \u003cth\u003eVehicle Brand\u003c\/th\u003e\n            \u003cth\u003eVehicle Model \u0026amp; Size\u003c\/th\u003e\n        \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n        \u003ctr\u003e\n            \u003ctd\u003e2023-2025\u003c\/td\u003e\n            \u003ctd\u003eKTM\u003c\/td\u003e\n            \u003ctd\u003e450 SX-F \/ 450 XC-F \/ 450 SMR\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003e2023-2025\u003c\/td\u003e\n            \u003ctd\u003eHusqvarna\u003c\/td\u003e\n            \u003ctd\u003eFC450 \/ FX450 \/ FS 450\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003e2024-2025\u003c\/td\u003e\n            \u003ctd\u003eGas Gas\u003c\/td\u003e\n            \u003ctd\u003eMC 450F \/ EX 450F\u003c\/td\u003e\n        \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eQ: Is this a direct replacement for the stock piston?\u003c\/b\u003e\u003cbr\u003e\nA: Yes, this is a Standard Size A (94.95mm) piston designed to fit the stock 95.00mm bore perfectly.\u003c\/p\u003e\n\n\u003cp\u003e\u003cb\u003eQ: What are the benefits of gas ports?\u003c\/b\u003e\u003cbr\u003e\nA: Gas ports allow combustion pressure to reach the back of the top ring, forcing it outward for a much better seal against the cylinder wall than standard pistons, resulting in more consistent power.\u003c\/p\u003e\n\n\u003cp\u003e\u003cb\u003eQ: Will this fit my 2022 or older model?\u003c\/b\u003e\u003cbr\u003e\nA: No, this specific kit is engineered for the updated engine platform found in the 2023-2025 KTM\/Husqvarna and 2024+ Gas Gas 450cc models.\u003c\/p\u003e\n\n\u003ch3\u003eRecommended Pairings\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cb\u003eTop End Gasket Kit:\u003c\/b\u003e Essential for ensuring a leak-free seal during your engine rebuild.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eMotorex 4-Stroke Engine Oil:\u003c\/b\u003e Premium synthetic protection for high-performance forged pistons.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eRestore your bike's racing power today. Buy now at Moto-House MX!\u003c\/p\u003e\n\n\u003cp\u003e\u003cb\u003eMoto-House MX – Choice of Champions\u003c\/b\u003e – is located in Clermont\/Montverde, FL. The Best Motocross\/UTV \u0026amp; ATV Shop in Central Florida. Stop by our local store in Montverde, FL or enjoy lightning-fast shipping across the USA.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"Wossner 4075DA Piston Kit\",\n  \"image\": [],\n  \"description\": \"Premium Wossner 4075DA Forged Piston Kit for 2023-2025 KTM, Husqvarna, and Gas Gas 450cc models. 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