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.
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Wiseco High Performance Piston Kit 84.5mm STD 11:1 4939M08450-1113
Piston Kit | SKU #4939M08450-1113 | MPN #4939M08450
$208.25
- New Part

Contact us for a question. Phone: (304) 699-7572
Availability: IN STOCK
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Specifications
Condition | New |
SKU# | 4939M08450-1113 |
MPN# | 4939M08450 |
Part | Piston Kit |
Piston Diameter | 84.5 mm |
Compression Ratio | 11.0:1 |
Displacement | 421cc |
Engine Type | 4-Stroke |
Piston Type | Cast |
Vehicle Compatibility
This part fits an additional 23 vehicles.Please use the search box above to find your vehicle.
Year | Make | Model | Submodel |
---|---|---|---|
Yamaha | Wolverine 450 4x4 | Wolverine 450 4x4 YFM450FX |
Description
Additional Note
Image is a stock image, the product that you will receive is made to fit your vehicle and may appear different than the picture.
Features
- Performance Clutch Kits take the clutch pack kits one step further by including a Wiseco forged clutch basket and new rubber cushions
- Wiseco forged baskets are tougher and stronger than stock, and achieve higher fatigue properties than any other clutch on the market
- The hard coat anodizing wears like iron, and greatly extends the life of the basket against notching
- Also included is a full set of frictions, steels, and clutch springs made from premium grade materials
- Refresh your worn out clutch and notched basket with the ultimate in high quality Wiseco clutch components
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