The Wiseco team has remained at the forefront of powersports performance through every era and evolution, including the development of high-performance 4-strokes. Today, Wiseco's forged 4-stroke pistons are designed for each specific engine application and built to the tightest tolerances for the ultimate combination of performance and strength. Proven at every level of riding, Wiseco 4-stroke pistons are ready to deliver the power and reliability you're looking for.
Premium materials produce the best sealing technology available exceeding O.E.M. standards. Dedicated forging. Superior strength/weight ratio utilizing Aerospace alloy.
Improved tensile strength of forged material optimizes strength and service life
Wiseco 4 Stroke Forged Series Piston Kit, 76.80 mm Bore, 13.2:1 CR
Designed and built for each specific 4-stroke powersports engine
Dedicated forgings allow for optimized strength-to-weight ratio
Includes high-quality piston rings, wrist pin(s), and circlips
Engineered, forged, and machined in the USA in Mentor, OH
Wiseco 10-13 Honda CRF250R 13.21 CR (40003M) Piston Kit
Honda CRF250R '10-13 13.2:1 CR (40003M)
PK1874, 13.2:1, 76.8 mm
Engine Piston Set
Piston Kit