Piston Kit 03-04 YZF450 95 Hc, Forged Wossner 8570DB

Piston Kit 03-04 YZF450 95 Hc, Forged Wossner 8570DB. Find the product specifications and compatibility information below.

Product details

• Product: Piston Kit 03-04 YZF450 95 Hc, Forged Wossner 8570DB
• Part number: 56-W4785.B.WO.H
• Brand: Wossner
• Wossner high-compression forged piston kit designed for enhanced performance and durability. Engineered with an elliptical shape to ensure uniform bearing surfaces under heat expansion, reducing localized pressure and preventing piston collapse. Optimized for efficient heat transfer and manufactured in Germany for high-performance applications.
• High-compression forged construction for increased power and durability
• Optimized heat transfer for improved combustion efficiency
• Elliptical design for even thrust load distribution
• Made in Germany
• Bore Size: 94.97mm (+0.01mm oversize = 95.01mm)
• Displacement: 449 cm³
• Stroke: 63.40mm
• Clearance: 0.04mm
• Compression Ratio: OEM (12.50:1)
• Dome Volume: -7.80 cm³
• Compression Height: 23.50mm
• Theoretical Weight: Not specified
• Included Components
• Piston Kit (8570DB)
• Piston Clip: CW18
• Piston Pin: WP053
• Piston Ring: 950ADS-2

Vehicle fitment

Applications listed in the supplier fitment data:

• GAS-GAS EC F 450cc — 2013–2015
• YAMAHA YZ F 450cc — 2003–2009
• YAMAHA WR F 450cc — 2003–2015
• YAMAHA YZF 450cc — 2003–2009
• YAMAHA WRF 450cc — 2003–2015
• YAMAHA YZ F 450cc — 2003–2005
• YAMAHA WRF 450cc — 2003–2006
• YAMAHA WR F 450cc — 2003–2006
• YAMAHA YZ F 450cc — 2006–2009
• YAMAHA WR F 450cc — 2003–2005
• GAS-GAS EC F 250cc — 2013–2015
• YAMAHA YZF 450cc — 2003–2004
• YAMAHA WR F 450cc — 2007–2012

Match your exact make, model, year and specification before ordering.

Why buy from FDY Performance?

FDY Performance is a UK motorcycle and ATV parts specialist. We help riders find parts with clear specifications, vehicle fitment information where available and support before ordering.

Need help choosing the right part?

Contact us with your bike make, model and year, plus the part number shown above, and we can help you check compatibility.

• Call: 07765 534854
• Email: fdy@fdyperformance.com
• Website: www.fdyperformance.com