2Bros Parts

PISTON KIT 05-21 YZ125 54.0 GP, WISECO 846M05400 FORGED, Racers Choice, GP Series

$198.17Only 1 left

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Delivery to United States 5–8 business days

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Wiseco GP Series Piston Kit 54.0mm. This piston assembly is designed to withstand the demands of the Grand Prix circuit. It features thicker domes than the standard Pro-Lite, is pinned on the centerline, and has no intake window. No engine modification is required. Included items: One 54.0mm piston, one 2126CS ring, two CW15 circlips, and one S668 wrist pin.

Specifications
SKU
56-W845.WI.GP
Brand
Wiseco
Availability
In Stock (1)

Fitments (24)

MakeModelYear
FANTICXE 1252021
FANTICXE 1252022
FANTICXX 1252021
YAMAHAYZ 1252004
YAMAHAYZ 1252005
YAMAHAYZ 1252006
YAMAHAYZ 1252007
YAMAHAYZ 1252008
YAMAHAYZ 1252009
YAMAHAYZ 1252010
YAMAHAYZ 1252011
YAMAHAYZ 1252012
YAMAHAYZ 1252013
YAMAHAYZ 1252014
YAMAHAYZ 1252015
YAMAHAYZ 1252016
YAMAHAYZ 1252017
YAMAHAYZ 1252018
YAMAHAYZ 1252019
YAMAHAYZ 1252020
YAMAHAYZ 1252021
YAMAHAYZ 125X2020
YAMAHAYZ 125X2021
YAMAHAYZ 125X2022
General Product Group
Engine
General Product Type
Pistons & Kits
General Size
54.00mm
Variant Id
258024
Delivery5–8 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Wiseco GP Series Piston Kit

Engineered for peak performance, this Wiseco GP Series Piston Kit is designed to meet the rigorous demands of racing. Constructed with a forged design, these pistons offer superior strength and durability. The GP Series features thicker domes compared to standard Pro-Lite pistons, providing enhanced resilience under extreme conditions. They are pinned on the centerline and do not include an intake window, optimizing combustion and performance.

This piston assembly requires no engine modification for installation, ensuring a straightforward upgrade. The kit includes all necessary components for a complete top-end rebuild.

  • Forged Construction: Provides exceptional strength and longevity.
  • GP Series Design: Engineered for Grand Prix level racing demands.
  • Thicker Domes: Offers increased resistance to heat and stress.
  • Centerline Pinning: Optimized for performance and durability.
  • No Intake Window: Focuses combustion for maximum power.
  • Electra Coated: Enhances durability and performance.
  • Direct Fit: No engine modification required.
  • Kit Includes: One 54.0mm piston, one 2126CS ring, two CW15 circlips, and one S668 wrist pin.
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

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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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