GSXR1000 Turbo 10.5:1 Forged Piston Kit 17-21 - 77.95mm – K4028D200-4
4.4 Trustpilot 99.9% positive on eBay
Free UK delivery 2–4 business days
Spread the cost with 
18+, T&Cs apply
- SKU
- WOSS_K4028D200-4
- Brand
- Wossner
- Availability
- In Stock (2)
- Bore Size
- 77.95mm
- Clip Part Number
- CW16
- Compression Height
- 22.2mm
- Kit Part Number
- K4028
Show more +14Show less
- Oem Comp Ratio
- 13.2:1
- Original Sku
- K4028D200-4
- Over Size
- 2mm
- Pin Part Number
- WP059-SP
- Pin Size
- 16mm
- Piston Number
- 77.95mm – K4028D200-4
- Piston Size
- 77.95mm
- Product Type
- Forged Piston Kit
- Ring Part Number
- RIK78.00
- Stroke
- 55.1mm
- Vehicle Make
- Suzuki
- Wossner Comp Ratio
- 10.5:1
- Yom From
- 2017
- Yom To
- 2021
FULL DESCRIPTION
Forged Piston Kit, 77.95mm Bore
A forged piston kit for street bikes, with a 77.95mm bore, a 22.2mm compression height and a 10.5:1 compression ratio.
Key Features
- Round style design
- Riken rings
- Gas porting
- Three ring design
- 3D dome mill
Specifications
- Bore size: 77.95mm
- Piston size: 77.95mm
- Oversize: 2mm
- Compression height: 22.2mm
- Pin size: 16mm
- Stroke: 55.1mm
- Compression ratio: 10.5:1
- Ring part number: RIK78.00
- Pin part number: WP059-SP
- Clip part number: CW16
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.
RELATED PARTS
Trade pricing available
Buying parts for your business? Apply for a 2BrosParts trade account.