Pro Series Engine Piston Kit by JE Pistons®. "Pro Series" Piston kits are available for demanding off-road applications and feature purpose-built forging designs that reduce overall piston weight without sacrificing strength or durability. Internal and external strut braces significantly reduce stress on critical areas and remove ring groove flatness for improved ring seal during operation. Get the performance of the top engine builders, with the durability required by weekend riders.
Bore Diameter : 78.00
Cylinder Head : KX250F
Compression Ratio : 14.1:1
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