Wiseco PK1055 fits Yamaha 90-06 YFM/YFB250 8.71 (4675M07150) Piston Kit

Wiseco PK1055 Wiseco 90-06 fits Yamaha YFM/YFB250 8.71 (4675M07150) Piston Kit

Brand : Wiseco

MPN : PK1055

AlternatePartNumber : wisPK1055

UPC : 193564148377

Product Department : Engine Components

Product Category : Piston Sets - Powersports

BoxQuantity : 1

Length : 4.2 inches

Width : 4.2 inches

Height : 4.2 inches

Weight : 3.0 lbs

Not CARB Legal

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.