YAMAHA WR/YZ 450F GASGAS EC450F 2003-2015 Wiseco 4 Stroke Forged Series Piston Kit, 95.00 MM Bore, 12.5:1 CR 4785M09500 ^Sale

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Made in the USA

Fitment:

GAS GAS  EC 450F  2013 - 2015  

YAMAHA  WR 450F  2003 - 2015

YAMAHA  YZ 450F  2003 - 2009

Wiseco is unique among aftermarket piston manufacturers in the United States because it produces pistons strictly using the forging process. Starting with aerospace-grade aluminum, the forging process compresses the material's molecules, increasing the density of the aluminum and aligning the grain flow of the alloy, resulting in a high-quality product that's resistant to impact, fatigue, and has improved material properties such as ultimate strength and ductility, which is a material's ability to stretch or move without breaking under tensile strain. For high-performance race applications (where increased horsepower and compression can stress an engine's components further than a stock engine), it's of critical importance.