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Western Powersports #: WR101125 Parts Unlimited #: 0903-1099 Tucker Rocky #: 790250 Automatic Distributor's #: 833136 MTA #: 37-5115
Fits: YAMAHA YZ450F 10-13
96mm (B) Cast Piston Kit
improved feel and performance
Athena (S4F102000040) 101.96mm Forged Piston Kit BLUE Western Powersports #: WR101125 PartsBrand: Athena Features: Fits: Yamaha YZ450F 2010 2013 Specifications: Big Bore 101. 96mm Forged Piston Kit Athena developed their forged pistons specifically for use in the off road ATV market and manufactured them using a revolutionary computerized technology originating from GP and F1 racing Athena forged pistons offer the best solution in terms of performance and reliability thanks to redesigned squish areas, modified compression characteristics
