High-Performance Complete Top End Kits - Pk Yfm350 83.0mm (4419M)

Pk Yfm350 83.0mm (4419M)

• California Prop 65 Warning: Cancer and Reproductive Harm - https://www.p65warnings.ca.gov/
• UPC: 193564148018

Piston Kit with Gaskets - Yamaha - YFM350/X Warrior/Raptor/Big Bear/Grizzly/Moto 4/BW350 - Standard

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Wiseco 87-13 Yamaha YFM350 Warrior/Raptor 10.251 Piston Kit

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Premium materials produce the best sealing technology available exceeding O.E.M. standards.. . 2-Stroke: Wiseco top end gasket kit; Dedicated forging; Superior strength/weight ratio utilizing Aerospace alloy; Race-proven designs; Chosen by top race teams, in all forms of racing; CNC machined; Optimal cam shape and profile for peak HP and service life; Premium top end needle bearing; Precision-machined, highest-quality materials for strength and reduced friction; High-performance ring set; Extended life and sustained power; Highest-quality alloy pin; Consistently true and durable.. . 4-Stroke: Wiseco top end gasket kit; Premium materials produce the best sealing technology available, exceeding O.E.M. standards; Dedicated forging; Superior strength/weight ratio utilizing Aerospace alloy; Dome design; Improved flame travel; Chrome plated piston pin; Horizontal slot pin oiling; Reduced friction/scuff resistant; Pressure seal groove; Maximum ring seal; Armor Glide Skirt-Coated available for select models; Dedicated Rings; Maximum compression and oil control.