PISTON KIT 002-09 DRZ250 73 HC, FORGED WOSSNER 8678D700
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 big bore piston kit with an 80mm bore (79.95mm). This piston has an 11.5:1 compression ratio and a dome volume of -1.40 cm³. It features an elliptical design that distributes thrust loads evenly, reducing localized pressure and preventing piston collapse. Manufactured in Germany. Specifications include a bore size of 80mm (79.95mm), stroke of 59.60mm, clearance of 0.05mm, and compression height of 24.00mm. Part number 8678D700.
- SKU
- 56-W304_700
- Brand
- Wossner
- Availability
- In Stock (4)
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 73mm
- Variant Id
- 255348
FULL DESCRIPTION
Wossner High-Compression Forged Piston Kit 80mm Bore
Enhance your engine's performance with this Wossner high-compression forged big bore piston kit. Engineered for superior strength and optimized heat transfer, this piston ensures efficient combustion and increased power output. The advanced elliptical design promotes even thrust load distribution, preventing localized pressure buildup and piston collapse under extreme conditions. Manufactured to exacting standards in Germany, this piston kit is a direct upgrade for demanding engines.
Key Features:
- High-compression forged piston for boosted performance
- Big bore design increases engine displacement
- Optimized heat transfer for improved thermal efficiency
- Elliptical design ensures uniform bearing surface during thermal expansion
- Even thrust load distribution prevents piston collapse
- Precision manufactured in Germany
Specifications:
- Bore Size: 80mm (79.95mm)
- Compression Ratio: 11.5:1
- Stroke: 59.60mm
- Clearance: 0.05mm
- Dome Volume: -1.40 cm³
- Compression Height: 24.00mm
- Wossner Part Number: 8678D700
- Lock Part Number: CW19
- Pin Part Number: WP028
- Ring Set Part Number: 800XDS
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00.
Call or email us with your make, model and year 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.