2Bros Parts

XJR1300 High Comp Forged Piston Kit - 79.94mm – K4037D100-4

$1,105.99Only 1 left

4.4 Trustpilot 99.9% positive on eBay

Delivery to United States 5–8 business days

Spread the cost with Klarna

1
Specifications
SKU
WOSS_K4037D100-4
Brand
Wossner
Availability
In Stock (1)
Bore Size
79.94mm
Clip Part Number
CW18
Compression Height
26mm
Kit Part Number
K4037
Show more +13
Oem Comp Ratio
9.7:1
Original Sku
K4037D100-4
Over Size
1mm
Pin Part Number
WP031-SP
Pin Size
18mm
Piston Number
79.94mm – K4037D100-4
Piston Size
79.94mm
Product Type
Forged Piston Kit
Ring Part Number
GNH80.00
Stroke
63.8mm
Vehicle Make
Yamaha
Wossner Comp Ratio
11.0:1
Yom From
all
Delivery5–8 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Pro Series High Compression Forged Piston Kit, 79.94mm Bore

A Pro Series high compression forged piston kit for street bikes, with a 79.94mm bore, a 26mm compression height and an 11.0:1 compression ratio.

Key Features

  • Pro Series forged piston
  • Round style design
  • Second Nappier ring
  • Three ring design

Specifications

  • Bore size: 79.94mm
  • Piston size: 79.94mm
  • Oversize: 1mm
  • Compression height: 26mm
  • Pin size: 18mm
  • Stroke: 63.8mm
  • Compression ratio: 11.0:1
  • Ring part number: GNH80.00
  • Pin part number: WP031-SP
  • Clip part number: CW18
Before you buy

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.

Apply for Trade
1