PISTON KIT 03-05 HUS 450 97.00, 8578DA WOSSNER HUSQVARNA
4.1 Trustpilot 99.9% positive on eBay
Free UK delivery 2–4 business days
Spread the cost with 
18+, T&Cs apply
Wossner forged piston kit engineered for superior strength and performance. The elliptical design ensures uniform bearing surface under heat expansion, reducing localized pressure and distributing thrust loads evenly to prevent piston collapse. Manufactured in Germany. Features forged construction for enhanced durability and optimized heat transfer. Bore is 96.94 mm with a piston size of 97.00 mm. Displacement is 449 cm³ with a stroke of 60.80 mm and clearance of 0.06 mm. Wossner Compression Ratio is OEM, matching the OEM Compression Ratio of 12.00:1. Dome Volume is -6.50 cm³ and Compression Height is 24.50 mm. Includes lock CW20, pin WP073, and ring set 970XSY.
- SKU
- 56-W023.A
- Brand
- Wossner
- Availability
- In Stock (1)
Fitments (9)
| Make | Model | Year |
|---|---|---|
| HUSQVARNA | SMR 450 | 2003 |
| HUSQVARNA | SMR 450 | 2004 |
| HUSQVARNA | SMR 450 | 2005 |
| HUSQVARNA | TC 450 | 2003 |
| HUSQVARNA | TC 450 | 2004 |
| HUSQVARNA | TC 450 | 2005 |
| HUSQVARNA | TE 450 | 2003 |
| HUSQVARNA | TE 450 | 2004 |
| HUSQVARNA | TE 450 | 2005 |
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- Variant Id
- 254293
FULL DESCRIPTION
Wossner Forged Piston Kit
This Wossner forged piston kit is engineered for superior strength and performance in your motorcycle. It is designed for optimal heat transfer from the combustion chamber to the cylinder walls, ensuring efficient operation. The elliptical design of the piston plays a crucial role in preventing piston collapse by ensuring a uniform bearing surface under heat expansion, reducing localized pressure and distributing thrust loads evenly.
Key Features:
- Forged construction for enhanced durability and strength.
- Optimized heat transfer for improved engine performance and longevity.
- Elliptical design prevents localized pressure and ensures even thrust load distribution, mitigating piston collapse.
- Maintains OEM compression ratio for a direct and reliable replacement.
- Manufactured in Germany to high-quality standards.
Specifications:
- Bore: 96.94 mm
- Piston Size: 97.00 mm
- Displacement: 449 cm³
- Stroke: 60.80 mm
- Clearance: 0.06 mm
- Wossner Compression Ratio: OEM
- OEM Compression Ratio: 12.00:1
- Dome Volume: -6.50 cm³
- Compression Height: 24.50 mm
Included Components:
- Lock: CW20
- Pin: WP073
- Ring Set: 970XSY
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00.
Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.
UK delivery is £4.99, or free on orders over £60. Orders ship within 3 working days, then delivery takes 2–4 business days. Delivery details
Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy
By card, PayPal, Apple Pay or Google Pay, or spread the cost with Klarna. Payment is taken securely by Stripe, and the options for your order are shown at checkout.
More answers in our FAQ.
Trade pricing available
Buying parts for your business? Apply for a 2BrosParts trade account.