2Bros Parts

PISTON KIT 89-99 RM125 54.00mm, WISECO 641M05400B

$166.39Only 1 left

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Delivery to United States 5–8 business days

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Wiseco Piston Kit 641M05400B 54.00mm. Innovative forging design and piston skirt provide maximum horsepower and torque. Lightweight wrist pins enable faster revs and quicker throttle response. SCEM Composite-Cylinder sleeving or replating required for oversizes. Top-End bearing available part no. B1013. Included items: One 54.0mm piston, one set 2126CS rings, two CW15 circlips, one S467 wrist pin.

Specifications
SKU
56-W641.B.WI
Brand
Wiseco
Availability
In Stock (1)

Fitments (12)

MakeModelYear
SUZUKIRM 1251989
SUZUKIRM 1251990
SUZUKIRM 1251991
SUZUKIRM 1251992
SUZUKIRM 1251993
SUZUKIRM 1251994
SUZUKIRM 1251995
SUZUKIRM 1251996
SUZUKIRM 1251997
SUZUKIRM 1251998
SUZUKIRM 1251999
SUZUKIRM 1252000
General Product Group
Engine
General Product Type
Pistons & Kits
General Size
54.00mm
Variant Id
257205
Delivery5–8 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Wiseco Pro-Lite Piston Kit

This Wiseco Pro-Lite Piston Assembly is engineered for exceptional durability, longevity, and increased horsepower. Its innovative forging design and piston skirt work together to deliver maximum horsepower and torque for your motorcycle.

Key Features:

  • Innovative Forging Design: Contributes to maximum horsepower and torque.
  • Piston Skirt Technology: Enhances performance and power output.
  • Lightweight Wrist Pins: Enable faster revs and quicker throttle response for improved agility.
  • Included Components: This kit comes complete with one 54.0mm piston, one set of 2126CS rings, two CW15 circlips, and one S467 wrist pin.

Important Note: Pistons, rings, and kits are sold by application and bore size. Standard and oversize specifications are not explicitly indicated. To ensure you order the correct part, you must know the standard bore size of your engine to select either the standard size or the appropriate oversize.

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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