2Bros Parts

GPZ900R Ninja & GPz900R Eliminator 1984-1986 High Comp Forged Piston Kit - 74.94mm – K4025D250-4

$1,246.57

4.4 Trustpilot 99.9% positive on eBay

Delivery to United States 5–8 business days

Spread the cost with Klarna

Typical lead time is up to 2 weeks unless we have it in stock. Contact us for a more precise estimate.

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Specifications
SKU
WOSS_K4025D250-4
Brand
Wossner
Availability
In Stock (2)
Bore Size
74.94mm
Clip Part Number
CW18
Compression Height
26mm
Kit Part Number
K4025
Show more +14
Oem Comp Ratio
11:1
Original Sku
K4025D250-4
Over Size
2.5mm
Pin Part Number
WP113-SP
Pin Size
18mm
Piston Number
74.94mm – K4025D250-4
Piston Size
74.94mm
Product Type
Forged Piston Kit
Ring Part Number
RIK75.00L
Stroke
55mm
Vehicle Make
Kawasaki
Wossner Comp Ratio
11.5:1
Yom From
1984
Yom To
2003
Delivery5–8 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

High Compression Forged Piston Kit, 74.94mm Bore

A high compression forged piston kit for street bikes, with a 74.94mm bore, a 26mm compression height and an 11.5:1 compression ratio.

Key Features

  • Round style design
  • Riken rings

Specifications

  • Bore size: 74.94mm
  • Piston size: 74.94mm
  • Oversize: 2.5mm
  • Compression height: 26mm
  • Pin size: 18mm
  • Stroke: 55mm
  • Compression ratio: 11.5:1
  • Ring part number: RIK75.00L
  • Pin part number: WP113-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.

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