Name: Piston Kit 02-07 KTM EXC450 89, Wossner Wossner 8581DB
Brand: Wossner
SKU: 56-W178.B

Piston Kit 02-07 KTM EXC450 89, Wossner Wossner 8581DB

Wossner
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Description

Piston Kit: Wossner 8581DB, with an 89.01mm bore (+0.01mm)
Applications:
- KTM EXC 450 Racing (2003-2007)
- Beta RR450 (2005-2009)
- Polaris Outlaw 450 MXR (2008-2011)
Features:
- Wossner forged pistons known for superior strength and design
- Engineered for efficient combustion chamber heat transfer to cylinder walls
- Elliptical design for a more uniform bearing surface under piston heat expansion, preventing collapse
Manufacturing: Made in Germany
Additional Parts:
- Lock: CW20
- Pin: WP038
- Ring Set: 890XSY
Specifications:
- Displacement: 449 cm³
- Hub Stroke: 72.00mm
- Clearance: 0.04mm
- Compression Ratio: OEM specified (11.10:1)
- Dome Volume: +7.10cm³
- Compression Height: 23.50mm
- Theoretical Weight: Not provided

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
KTM	EXC 450	2003-2007
POLARIS	OUTLAW MXR 450	2008-2010
KTM	XC ATV 450	2008-2009
KTM	XC 450	2008-2009
KTM	EXC R 450	2003-2007
BETA	RR 450	2005-2009
POLARIS	OUTLAW MXR 450	2008-2011

Piston Kit 02-07 KTM EXC450 89, Wossner Wossner 8581DB

Wossner
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Piston Kit: Wossner 8581DB, with an 89.01mm bore (+0.01mm) Applications: KTM EXC 450 Racing (2003-2007) Beta RR450 (2005-2009) Polaris Outlaw... Read more

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SKU: 56-W178.B

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Description

Piston Kit: Wossner 8581DB, with an 89.01mm bore (+0.01mm)
Applications:
- KTM EXC 450 Racing (2003-2007)
- Beta RR450 (2005-2009)
- Polaris Outlaw 450 MXR (2008-2011)
Features:
- Wossner forged pistons known for superior strength and design
- Engineered for efficient combustion chamber heat transfer to cylinder walls
- Elliptical design for a more uniform bearing surface under piston heat expansion, preventing collapse
Manufacturing: Made in Germany
Additional Parts:
- Lock: CW20
- Pin: WP038
- Ring Set: 890XSY
Specifications:
- Displacement: 449 cm³
- Hub Stroke: 72.00mm
- Clearance: 0.04mm
- Compression Ratio: OEM specified (11.10:1)
- Dome Volume: +7.10cm³
- Compression Height: 23.50mm
- Theoretical Weight: Not provided

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
KTM	EXC 450	2003-2007
POLARIS	OUTLAW MXR 450	2008-2010
KTM	XC ATV 450	2008-2009
KTM	XC 450	2008-2009
KTM	EXC R 450	2003-2007
BETA	RR 450	2005-2009
POLARIS	OUTLAW MXR 450	2008-2011

Shipping & Delivery

How long will my item take to arrive?

Orders are typically dispatched within 1 working day and are shipped on a 24hour (non-guaranteed) service.

Where do you ship to?

We currently only ship orders within the UK.

How can I track my order?

Once your order has been dispatched, you will receive a tracking code. Tracking information is emailed to the email address that was provided when placing the order.

Can I collect my order?

Unfortunately we do not offer order collections from our fulfilment centre.