The Wossner WO-3503-DA Premium Series Forged Piston Kit is engineered for selected KTM 450 SX-F, Husqvarna FC 450 and GasGas MC 450 F four-stroke motocross models. Manufactured in Germany from premium forged aluminium, this high-performance piston delivers exceptional strength, reduced reciprocating weight and outstanding durability for both race and high-performance engine rebuilds.

Featuring a 94.95 mm standard bore, 95.00 mm stroke compatibility, 23.20 mm compression height and a 14.1:1 compression ratio, the WO-3503-DA utilises Wossner's Double Bridge Forging design for increased rigidity and stability under extreme engine loads. It is supplied with OEM-style ring technology to provide excellent sealing, low oil consumption and long service life.

Premium Series forged piston kit
94.95 mm standard piston
95.00 mm stroke compatibility
23.20 mm compression height
14.1:1 compression ratio
Double Bridge Forging for maximum strength
High-strength forged aluminium construction
OEM-style piston ring package for excellent sealing and durability
Suitable for KTM 450 SX-F (2013–2022)
Suitable for Husqvarna FC 450 (2016–2022)
Suitable for GasGas MC 450 F (2021–2023)
Includes piston, piston rings, wrist pin and retaining clips

Important: Always confirm your motorcycle make, model, year and cylinder measurements before ordering. Standard and graded pistons should always be selected according to the measured cylinder bore to ensure the correct piston-to-cylinder clearance.

Notice: Product images may differ from the actual product. Images are provided for illustration purposes only and may show a representative item rather than the exact part supplied.