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Wiseco 4C Race Series Piston Kit - Standard Bore 77.00mm, 14:1 Compression - RC903M07700

RC903M07700

Description

Until now these pistons have only been available to top race teams and experienced engine builders
Built on dedicated boxed forgings for ultimate stiffness and minimal weight
High compression for maximum torque and usable power
Shot peened for extra toughness and durability
Titanium Nitride coated rings for fast break-in, superior ring life, sustained power and reduced blow by ArmorGlide permanent skirt coating for reduced friction and ultimate scuff protection
Super finished wrist pins for low friction and reduced galling
Horizontal slot pin oiling for improved pin lubrication and reduced friction
Pressure seal grooves between rings for maximum ring seal
Race-ready domes for smooth edges and optimum flame propagation during combustion

Product Series

Application List

YearsMakeModelApplicationNotes
2015 - 2017YamahaWR250F
2014 - 2015YamahaYZ250F
2015 - 2016YamahaYZ250FX

Shipping Information

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