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Athena (S4F05400011A) 53, 95mm Diameter Piston Kit

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Free shipping on orders over $29.99

$113.36

$ 50 .99 $50.99

In Stock
  • Engineereed specifically for Yamaha dirt bikes to be resistant to impact and fatigue
  • Built from race proven designs to Yamaha factory specifications
  • Chosen by the top race teams in all forms of racing including super cross, motocross, GNCC, superbike, and more
  • Maximizes HP and service life in Yamaha Dirt Bikes and offroad vehicles
  • Fits the following rides Yamaha WR 125 1997-2004; Yamaha YZ 125 1997-2004


Cast lite pistons, produced by metal casting process, are lighter than OEM. Cast lite pistons are Tin plating coated, improving sliding and decreasing friction.


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