Namura Forged pistons offer dyno-proven gains in performance and durability over industry-standard 4032 forged pistons. Namura's exclusive forged alloy offers lower expansion rates, allowing for tighter build tolerances and superior tensile and yield strength at operating temperatures.
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Namura Forged Piston Kit 76.98 +.02 Over Bore 12.5:1 Comp FX-40037-C-672
Piston Kit | SKU #FX-40037-C-672 | MPN #FX-40037-C
Availability: OUT OF STOCK
Specifications
Condition | New |
SKU# | FX-40037-C-672 |
MPN# | FX-40037-C |
Part | Piston Kit |
Compression Ratio | 12.5:1 |
Piston Type | Forged |
Piston Diameter | 76.98 mm |
Engine Type | 4-Stroke |
Vehicle Compatibility
This part fits an additional 15 vehicles.Year | Make | Model | Submodel |
---|---|---|---|
Yamaha | WR250F | WR250F | |
Yamaha | YZ250FX | YZ250FX | |
Yamaha | YZ250F | YZ250F |
Description
Features
- MOS2 (Teflon/Molybdenum) Coated Skirts - A rolled on application process provides a bond that is 10 times stronger than other spray on coatings. Benefits include increased heat transfer, reduced friction and helping to eliminate cold seizures
- Machined Smooth Heads - Reflects combustion heat and reduces carbon buildup, protecting the top of the piston. Some tests have shown this feature can increase horsepower and fuel economy by up to 6%
- Anodized Domes - Increases heat resistance and durability; pistons with anodized domes are 75% stronger than non-anodized pistons
- Kit comes with one individually wrapped piston
- A set of OEM quality rings (packed in their own box)
- An OEM quality wrist pin, and cir-clips.
Additional Information
Kit comes with one individually wrapped piston, one set of OEM quality piston rings, a wrist pin, and circlips.
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