PISTON KIT 02-07 KTM EXC450 89, WOSSNER WOSSNER 8581DC
Wossner forged piston kit with an 89.02mm bore. Features optimized heat transfer to cylinder walls and an elliptical design for uniform bearing surface and even thrust load distribution. Manufactured in Germany for durability and precision. Bore: 89.02mm (+0.02mm oversize). Standard size piston (PN# 8581DC). Lock Part Number: CW20. Pin Part Number: WP038. Ring Set Part Number: 890XSY. Displacement: 449 cm³. Stroke: 72.00mm. Clearance: 0.04mm. Wossner Compression Ratio: OEM. OEM Compression Ratio: 11.10:1. Dome Volume: +7.10 cm³. Compression Height: 23.50mm.
- SKU
- 56-W178.C
- Brand
- Wossner
- Availability
- In Stock (1)
Fitments (33)
| Make | Model | Year | Notes |
|---|---|---|---|
| BETA | RR 450 | 2005 | — |
| BETA | RR 450 | 2006 | — |
| BETA | RR 450 | 2007 | — |
| BETA | RR 450 | 2008 | — |
| BETA | RR 450 | 2009 | — |
| BETA | RR ENDURO 4T 450 | 2005 | — |
| BETA | RR ENDURO 4T 450 | 2006 | — |
| BETA | RR ENDURO 4T 450 | 2007 | — |
| BETA | RR ENDURO 4T 450 | 2008 | — |
| BETA | RR ENDURO 4T 450 | 2009 | — |
| KTM | 450 EXC | 2003 | 1st Filter (Long) |
| KTM | 450 EXC | 2004 | 1st Filter (Long) |
| KTM | 450 EXC | 2005 | 1st Filter (Long) |
| KTM | 450 EXC | 2006 | 1st Filter (Long) |
| KTM | 450 EXC | 2007 | 1st Filter (Long) |
| KTM | 450 EXC R | 2003 | — |
| KTM | 450 EXC R | 2004 | — |
| KTM | 450 EXC R | 2005 | — |
| KTM | 450 EXC R | 2006 | — |
| KTM | 450 EXC R | 2007 | — |
| KTM | 450 EXC Racing | 2003 | 1st Filter |
| KTM | 450 EXC Racing | 2004 | 1st Filter |
| KTM | 450 EXC Racing | 2005 | 1st Filter |
| KTM | 450 EXC Racing | 2006 | 1st Filter |
| KTM | 450 EXC Racing | 2007 | 1st Filter |
| KTM | 450 XC | 2008 | — |
| KTM | 450 XC | 2009 | — |
| KTM | 450 XC ATV | 2008 | — |
| KTM | 450 XC ATV | 2009 | — |
| POLARIS | OUTLAW MXR 450 | 2008 | — |
| POLARIS | OUTLAW MXR 450 | 2009 | — |
| POLARIS | OUTLAW MXR 450 | 2010 | — |
| POLARIS | OUTLAW MXR 450 | 2011 | — |
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 89mm
- Variant Id
- 254869
FULL DESCRIPTION
Wossner 89.02mm Forged Piston Kit
Upgrade your motorcycle's performance with this Wossner forged piston kit. Engineered for precision and durability, this kit features a 89.02mm bore and is manufactured in Germany to the highest standards.
Key Features
- Forged piston construction for superior strength and advanced design.
- Optimized for excellent heat transfer to the cylinder walls, promoting efficient combustion.
- Elliptical piston design ensures a uniform bearing surface and even thrust load distribution, reducing localized pressure and preventing piston collapse under heat expansion.
- Made in Germany, guaranteeing precision engineering and high-quality manufacturing.
Specifications
- Bore Size: 89.02mm (+0.02mm oversize)
- Standard Size Piston Part Number: 8581DC
- Lock Ring Part Number: CW20
- Piston Pin Part Number: WP038
- Ring Set Part Number: 890XSY
- Engine Displacement: 449 cm³
- Stroke Length: 72.00mm
- Recommended Clearance: 0.04mm
- Wossner Compression Ratio: OEM Equivalent
- OEM Compression Ratio: 11.10:1
- Dome Volume: +7.10 cm³
- Compression Height: 23.50mm
Trade pricing available
Buying parts for your business? Apply for a 2BrosParts trade account.