2Bros Parts

PISTON KIT 85-91 RG125 55.00, FORGED WOSSNER 8028D100

$135.05

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Delivery to United States 5–8 business days

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Wossner forged piston kit with a 55.00mm bore and 54.94mm diameter. Manufactured in Germany, this piston offers superior strength and design, ensuring optimal heat transfer to cylinder walls. Its elliptical design provides a uniform bearing surface under heat expansion, reducing localized pressure and evenly distributing thrust loads to prevent piston collapse. Features include forged construction for superior strength, optimized heat transfer for efficient combustion, and elliptical design for uniform load distribution. Specifications: Bore 55.00mm, Diameter 54.94mm, Display (cm³) 125, Stroke (mm) 54.00, Clearance (mm) 0.06, Compression Height (mm) 28.00. Wossner part number 8028D100. Cross-Reference OEM Part Numbers: Lock P/N CW14, Pin P/N WP025, Ring Set P/N RSB5500.

Specifications
SKU
56-W258.100.WO
Brand
Wossner
Availability
In Stock (2)

Fitments (7)

MakeModelYear
SUZUKIRG 1251985
SUZUKIRG 1251986
SUZUKIRG 1251987
SUZUKIRG 1251988
SUZUKIRG 1251989
SUZUKIRG 1251990
SUZUKIRG 1251991
General Product Group
Engine
General Product Type
Pistons & Kits
General Size
55mm
Variant Id
255272
Delivery5–8 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Wossner Forged Piston Kit - High-Performance Engine Upgrade

Enhance the performance and durability of your motorcycle's engine with this Wossner forged piston kit. Engineered for superior strength and optimized heat transfer, this piston is designed to deliver exceptional performance under demanding conditions. Its advanced elliptical design ensures uniform bearing surface and even load distribution, preventing premature wear and piston collapse. Manufactured in Germany to exacting standards, this kit represents a significant upgrade for enthusiasts seeking reliability and power.

Key Features:

  • Forged Construction: Provides exceptional strength and resilience for high-performance applications.
  • Optimized Heat Transfer: Promotes efficient combustion and engine cooling by effectively transferring heat to cylinder walls.
  • Elliptical Design: Ensures a uniform bearing surface that adapts to heat expansion, evenly distributing thrust loads and preventing localized pressure.
  • German Engineering: Manufactured in Germany, guaranteeing high quality and precision.

Specifications:

  • Bore: 55.00mm
  • Diameter: 54.94mm
  • Display (cm³): 125
  • Stroke (mm): 54.00
  • Clearance (mm): 0.06
  • Compression Height (mm): 28.00

Included Components:

  • Wossner Piston (Part Number: 8028D100)
  • Lock Ring (Part Number: CW14)
  • Wrist Pin (Part Number: WP025)
  • Ring Set (Part Number: RSB5500)
Before you buy

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.

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