PISTON KIT 09-12 KXF450 HC 96, FORGED WOSSNER 8769DB
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 high-compression piston kit with a 96.01mm bore (95.97mm). Features a high-compression forged piston for increased performance and optimized heat transfer for enhanced durability. The elliptical design ensures uniform bearing surface under heat expansion and even thrust load distribution to prevent piston collapse. Manufactured in Germany. Specifications include a bore size of 96.01mm (95.97mm), compression ratio of 13.5:1, part number 8769DB, lock part number CW19, pin part number WP071, ring set part number 960ADS-2, rod part number P4020, displacement of 449 cm³, stroke of 62.10mm, clearance of 0.04mm, OEM compression ratio of 12.5:1, dome volume of +4.20 cm³, and compression height of 23.70mm.
- SKU
- 56-W309.B.WO
- Brand
- Wossner
- Availability
- In Stock (3)
Fitments (4)
| Make | Model | Year |
|---|---|---|
| KAWASAKI | KX 450F | 2009 |
| KAWASAKI | KX 450F | 2010 |
| KAWASAKI | KX 450F | 2011 |
| KAWASAKI | KX 450F | 2012 |
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 96mm
- Variant Id
- 255370
FULL DESCRIPTION
Wossner Forged High-Compression Piston Kit 96.01mm Bore
Enhance your engine's performance with this Wossner forged high-compression piston kit. Engineered for superior strength and efficient heat transfer, this piston is designed to optimize combustion for increased power and durability. The innovative elliptical design ensures even distribution of thrust loads, effectively preventing localized pressure and piston collapse even under extreme conditions.
Key Features:
- High-compression forged piston for boosted performance
- Optimized heat transfer for improved durability and longevity
- Elliptical piston design for uniform bearing surface during heat expansion
- Even thrust load distribution to prevent piston collapse
- Precision manufactured in Germany
Specifications:
- Bore Size: 96.01mm (actual measurement 95.97mm)
- Compression Ratio: 13.5:1 (compared to OEM 12.5:1)
- Dome Volume: +4.20 cm³
- Stroke: 62.10mm
- Clearance: 0.04mm
- Compression Height: 23.70mm
- Displacement: 449 cm³
- Wossner Part Number: 8769DB
- Lock Part Number: CW19
- Pin Part Number: WP071
- Ring Set Part Number: 960ADS-2
- Rod Part Number: P4020
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.