PISTON KIT 03-05 HUS 450 97.00, 8578DC 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 with a 97.00mm piston size, designed for superior strength and performance. Engineered for optimal heat transfer from the combustion chamber to cylinder walls. The elliptical design ensures a uniform bearing surface under heat expansion, reducing localized pressure and distributing thrust loads evenly to prevent piston collapse. Manufactured in Germany. Features include forged construction for enhanced durability, optimized heat transfer, an elliptical design that prevents localized pressure and piston collapse, and OEM compression ratio for direct replacement. Specifications: Bore 96.96 mm, Piston Size 97.02 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. Cross-reference OEM part numbers: Lock CW20, Pin WP073, Ring Set 970XSY. Weight 434g.
- SKU
- 56-W023.C
- Brand
- Wossner
- Availability
- In Stock (2)
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
- 254295
FULL DESCRIPTION
Wossner Forged Piston Kit for Enhanced Performance and Durability
Upgrade your engine with the Wossner forged piston kit, meticulously engineered for superior strength and optimal performance. This high-quality piston is designed to enhance heat transfer from the combustion chamber directly to the cylinder walls, promoting efficient operation and longevity. Its innovative elliptical design ensures a uniform bearing surface even under extreme heat expansion. This feature effectively reduces localized pressure and distributes thrust loads evenly, preventing premature piston collapse and ensuring consistent performance.
Key Features:
- Forged Construction: Provides exceptional durability and strength for demanding applications.
- Optimized Heat Transfer: Designed for efficient dissipation of heat, improving overall engine performance and reliability.
- Elliptical Design: Prevents localized pressure points and distributes thrust loads evenly, safeguarding against piston collapse.
- OEM Compression Ratio: Ensures a direct replacement fit and maintains original performance specifications for seamless integration.
Specifications:
- Bore: 96.96 mm
- Piston Size: 97.02 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.