Wiseco leads the performance aftermarket by producing the highest quality forged pistons for Dirt Bikes, ATVs, Snowmobiles, Marine Vehicles, and Motorcycles right here in the USA. Wiseco is unique because we forge all of our pistons in-house, and produce all of our forge toolings right here in the USA. This allows us to control all aspects of our manufacturing process from raw bar to skirt coating finished parts. In addition, in-house dyno testing gives Wiseco the ability to develop state-of-the-art technology such as new shapes, coatings, and components, and lead the industry through rigorous R&D. Linking all segments of Wiseco's organization through design, testing, manufacturing, and distribution allows us to fulfill market needs with minimum lead-times.
1 | Select A Make
2 | Select A Model
3 | Select A Year
Wiseco GP Series Piston Kit 54mm 900M05400-1113
Piston Kit | SKU #900M05400-1113 | MPN #900M05400
$175.54
- New Part

Contact us for a question. Phone: (304) 699-7572
Availability: IN STOCK
- WI7
Specifications
Condition | New |
SKU# | 900M05400-1113 |
MPN# | 900M05400 |
Part | Piston Kit |
Oem Piston Bore Size | 54 mm |
Vehicle Compatibility
This part fits an additional 2 vehicles.Year | Make | Model | Submodel |
---|---|---|---|
Yamaha | YZ125 | YZ125 |
Description
Features
- Piston Kit includes a high-quality piston ring, high-strength wrist pin and circlips
- Pro-lite Kit with drop-in, forged replacement optimizes greater strength-to-weight ratio over OEM part. Additional forced pin oiling improves small end bearing and wrist pin lubrication. Armorglide skirt coating reduces skirt and cylinder wear and improves performance through reduced operating friction. Offered in +2.00 mm overbore option for higher displacement builds
- GP Series features forged material and offers increased tensile strength over OEM cast components and lightening operations result in approximately 7 g weight savings over OEM. Proprietary ArmorX coating in critical areas provides highly protective thermal barrier, reducing heat-induced damage and wear, and preventing ring microwelding. Shares the same Armorglide skirt coating and pin oiling benefits as Pro-lite
Customer Review
We're currently collecting product reviews for this item. In the meantime, here are some company reviews from our past customers sharing their overall shopping experience.
4.8
574 Reviews
97%
of customers rate this
company 4 or 5 stars
company 4 or 5 stars