PISTON KIT ALL 998 999S DUCATI WOSSNER K8758DA-2
4.1 Trustpilot 99.9% positive on eBay
Delivery to United States 5–8 business days
Spread the cost with 
Wossner 100mm bore piston kit, part number K8758DA-2. Forged construction for superior strength and durability, optimised design for efficient combustion heat transfer, and elliptical profile for even bearing surface under thermal expansion. Prevents piston collapse by evenly distributing thrust loads. Manufactured in Germany. Specifications include 100mm bore, 998 cm³ display volume, 63.50mm stroke, 0.06mm clearance, OEM compression ratio 11.40:1, -5.30 cm³ dome volume, 26.80mm compression height. Lock part number CW20, pin part number WP038, ring set part number 1000XSY.
- SKU
- 56-W9799.100.WO
- Brand
- Wossner
- Availability
- In Stock (2)
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- Variant Id
- 258778
FULL DESCRIPTION
Wossner Piston Kit for High-Performance Ducati Engines
This Wossner piston kit is engineered as a direct replacement for select high-performance Ducati engines. Crafted with precision in Germany, this piston features a 100mm bore, designed to maintain optimal strength and facilitate efficient heat transfer from the combustion chamber. Its advanced elliptical profile ensures even load distribution, enhancing engine durability even under demanding high-performance conditions.
Key Features:
- Forged construction for superior strength and longevity.
- Designed for efficient combustion heat transfer.
- Elliptical profile promotes even bearing surface distribution during thermal expansion.
- Helps prevent piston collapse by distributing thrust loads uniformly.
- Manufactured in Germany to exacting standards.
Specifications:
- Bore Size: 100mm (Standard)
- Display Volume: 998 cm³
- Stroke: 63.50mm
- Clearance: 0.06mm
- Dome Volume: -5.30 cm³
- Compression Height: 26.80mm
- Lock Part Number: CW20
- Pin Part Number: WP038
- Ring Set Part Number: 1000XSY
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00 (UK time).
Call or email us with your make, model and year and we will check it for you before you order.
Yes. We ship from the UK. Orders ship within 3 working days, then delivery to the United States takes 5–8 business days. The delivery price is shown at checkout before you pay. 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.
Any customs duties or import taxes charged in the United States are paid by you when the parcel arrives. Any tax we collect ourselves is shown at checkout before you pay.
More answers in our FAQ.
Trade pricing available
Buying parts for your business? Apply for a 2BrosParts trade account.