PISTON KIT HARLEY 3.738 SET/2, WOSSNER K8533DA-2 DAVIDSON, ROAD
4.1 Trustpilot 99.9% positive on eBay
Free UK delivery 2–4 business days
Spread the cost with 18+, T&Cs apply
Wossner piston kit K8533DA-2 for Harley Davidson 1340 EVO engines with a 3 3/4 inch stock stroke. Features forged high-performance pistons with skirt coating for reduced friction and increased durability. Designed for efficient combustion chamber heat transfer and even pressure distribution under heat expansion due to elliptical piston geometry. Flat top piston design provides a 9.5:1 compression ratio. Bore size is 3.798 inches standard. Includes rings, clips, and pins. Manufactured in Germany. Quantity is 2 pistons per kit.
- SKU
- 56-W9960.000.WO
- Brand
- Wossner
- Availability
- In Stock (1)
Fitments (16)
| Make | Model | Year |
|---|---|---|
| HARLEY DAVIDSON | EVO BB 1340 | 1984 |
| HARLEY DAVIDSON | EVO BB 1340 | 1985 |
| HARLEY DAVIDSON | EVO BB 1340 | 1986 |
| HARLEY DAVIDSON | EVO BB 1340 | 1987 |
| HARLEY DAVIDSON | EVO BB 1340 | 1988 |
| HARLEY DAVIDSON | EVO BB 1340 | 1989 |
| HARLEY DAVIDSON | EVO BB 1340 | 1990 |
| HARLEY DAVIDSON | EVO BB 1340 | 1991 |
| HARLEY DAVIDSON | EVO BB 1340 | 1992 |
| HARLEY DAVIDSON | EVO BB 1340 | 1993 |
| HARLEY DAVIDSON | EVO BB 1340 | 1994 |
| HARLEY DAVIDSON | EVO BB 1340 | 1995 |
| HARLEY DAVIDSON | EVO BB 1340 | 1996 |
| HARLEY DAVIDSON | EVO BB 1340 | 1997 |
| HARLEY DAVIDSON | EVO BB 1340 | 1998 |
| HARLEY DAVIDSON | EVO BB 1340 | 1999 |
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 3.738"
- Variant Id
- 259326
FULL DESCRIPTION
Wossner Forged Piston Kit for Harley Davidson 1340 EVO
Enhance the performance of your Harley Davidson 1340 EVO engine with this premium Wossner Piston Kit. Engineered for engines with a 3 3/4 inch stock stroke, this kit delivers reliable power and durability. The kit includes two forged, high-performance pistons, designed with advanced features for optimal combustion and longevity.
Key Features:
- Forged high-performance pistons (2 pieces) with skirt coating for reduced friction and increased durability.
- Designed for efficient heat transfer from the combustion chamber to the cylinder walls.
- Elliptical piston geometry ensures even pressure distribution during heat expansion.
- Flat top piston design achieves a 9.5:1 compression ratio for improved performance.
- Manufactured in Germany to exacting standards.
- Complete kit includes piston rings, clips, and pins.
Specifications:
- Bore Size: 3.798 inches (Standard)
- Compression Ratio: 9.5:1
- Stroke: Stock (3 3/4 inches)
- Piston Type: Forged, skirt-coated, flat top
- Quantity: 2 pistons per kit
- Wossner Part Number: K8533DA-2
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.


