PISTON KIT 12-16 KTM EXC-F 350 88, WOSSNER FORGED 8885DA 77230107100-I 77530107100
4.1 Trustpilot 99.9% positive on eBay
Delivery to United States 5–8 business days
Spread the cost with
Wossner forged piston kit with 88mm bore (87.95mm actual) designed for 350cc four-stroke motorcycles. Manufactured in Germany, this piston features an elliptical design for even thrust load distribution and efficient heat transfer, meeting OEM compression specifications. Includes all key components for installation. Specifications: Bore Size 88mm (actual 87.95mm), Displacement 349 cm³, Stroke 57.50 mm, Clearance 0.05 mm, Compression Ratio (Wossner) OEM, Compression Ratio (OEM) 12.30:1, Dome Volume -0.10 cm³, Compression Height 20.50 mm, Lock Part Number CW18, Pin Part Number WP054, Ring Set Part Number 880XSY, Rod Part Number P4061. Cross-Reference OEM Part Numbers: 77230107100-I, 40056M08800, 77530107100.
- SKU
- 56-W960.A.WO
- Brand
- Wossner
- Availability
- In Stock (4)
Fitments (28)
| Make | Model | Year |
|---|---|---|
| HUSABERG | FE 350 | 2013 |
| HUSABERG | FE 350 | 2014 |
| HUSABERG | FE 390 | 2014 |
| HUSQVARNA | FE 350 | 2014 |
| HUSQVARNA | FE 350 | 2015 |
| HUSQVARNA | FE 350 | 2016 |
| KTM | 350 EXC-F | 2012 |
| KTM | 350 EXC-F | 2013 |
| KTM | 350 EXC-F | 2014 |
| KTM | 350 EXC-F | 2015 |
| KTM | 350 EXC-F | 2016 |
| KTM | 350 EXC-F SIX DAYS | 2013 |
| KTM | 350 FREERIDE | 2012 |
| KTM | 350 FREERIDE | 2013 |
| KTM | 350 FREERIDE | 2014 |
| KTM | 350 FREERIDE | 2015 |
| KTM | 350 FREERIDE | 2016 |
| KTM | 350 FREERIDE | 2017 |
| KTM | 350 XC-F | 2012 |
| KTM | 350 XC-F | 2013 |
| KTM | 350 XC-F | 2014 |
| KTM | 350 XC-F | 2015 |
| KTM | 350 XC-F | 2016 |
| KTM | 350 XCF-W | 2012 |
| KTM | 350 XCF-W | 2013 |
| KTM | 350 XCF-W | 2014 |
| KTM | 350 XCF-W | 2015 |
| KTM | 350 XCF-W | 2016 |
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 88.00mm
- Variant Id
- 258426
FULL DESCRIPTION
Wossner Forged Piston Kit 88mm Bore
This Wossner forged piston kit is engineered for superior performance and durability in high-performance motorcycles. Featuring an 88mm bore size (87.95mm actual), this kit is designed to meet OEM compression specifications, ensuring reliable operation under demanding conditions.
Key Features:
- Forged piston construction for exceptional strength and longevity.
- Elliptical piston profile for even thrust load distribution and efficient heat transfer.
- Manufactured to the highest standards in Germany.
- Includes all necessary components for a complete installation.
Specifications:
- Bore Size: 88mm (actual 87.95mm)
- Displacement: 349 cm³
- Stroke: 57.50 mm
- Clearance: 0.05 mm
- Compression Ratio (Wossner): OEM
- Compression Ratio (OEM): 12.30:1
- Dome Volume: -0.10 cm³
- Compression Height: 20.50 mm
- Lock Part Number: CW18
- Pin Part Number: WP054
- Ring Set Part Number: 880XSY
- Rod Part Number: P4061
Cross-Reference OEM Part Numbers:
- 77230107100-I
- 40056M08800
- 77530107100
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00 (UK time).
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.
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.


