Wossner 4097DA Piston Kit - 2023-2025 KTM 450 SX-F XC-F Husqvarna FC450 Gas Gas

Wossner 4097DA Premium Forged Piston Kit

When your 450cc racing engine requires a top-end refresh, the Wossner 4097DA Piston Kit is the definitive solution for restoring lost compression and Factory Quality throttle response. Designed specifically for the latest generation of KTM, Husqvarna, and Gas Gas 4-stroke powerplants, this kit ensures your bike maintains peak performance on the track. When you demand reliability and a competitive edge, Moto-House MX provides the precision-engineered parts needed to keep you ahead of the pack.

Forged from aerospace-grade aluminum alloy, these pistons provide superior strength and a lightweight design for a quieter, more efficient engine. Each piston features a permanent skirt coating that significantly reduces friction and piston rock, extending the life of your cylinder and improving mechanical efficiency. With optimized machining that balances weight savings and structural integrity, this kit is designed to withstand the extreme heat and pressure of high-compression 14.0:1 racing environments.

Top Features: Wossner 4097DA Piston Kit

• Aerospace Forged Alloy: Constructed from premium aluminum for superior strength-to-weight ratio.
• Low-Friction Skirt Coating: Permanent coating reduces wear, noise, and friction for smoother operation.
• Gas Ported Two-Ring Design: Optimized for maximum ring seal and consistent power delivery under load.
• High Compression Performance: Precision machined to support a 14.0:1 compression ratio.
• Complete Kit: Includes everything needed for a rebuild: piston, rings, wrist pin, and clips.

Expert Pro-Tip: Always check your ring end gap before installation and ensure the "EX" mark on the piston crown faces the exhaust port for correct orientation during assembly.

Fitment List

Year Range	Vehicle Brand	Vehicle Model & Size
2023-2025	KTM	450 SX-F / 450 XC-F / 450 SMR
2023-2025	Husqvarna	FC450 / FX450 / FS 450
2024-2025	Gas Gas	MC 450F / EX 450F

Frequently Asked Questions

Q: Is this piston a direct replacement for the stock part?
A: Yes, this is a Standard Size A (94.95mm) piston designed to fit the 95.00mm stock bore perfectly as a high-performance replacement.

Q: What are the benefits of a gas-ported piston?
A: Gas ports use combustion pressure to push the rings against the cylinder wall more effectively, providing a better seal and increased power output.

Q: Does the kit come with a wrist pin?
A: Yes, the Wossner kit is comprehensive and includes the forged piston, high-quality rings, wrist pin, and circlips.

Recommended Pairings

• Top End Gasket Kit: Ensure a leak-free seal by replacing your gaskets during the piston install.
• Motorex 4-Stroke Engine Oil: Protect your new forged piston with high-performance lubricants.

Don't wait for a failure—restore your bike's power today. Buy now at Moto-House MX!

Moto-House MX – Choice of Champions – is located in Clermont/Montverde, FL. The Best Motocross/UTV & ATV Shop in Central Florida. Stop by our local store in Montverde, FL or enjoy lightning-fast shipping across the USA.