Wiseco PK1491 Honda CR500R 90-01 (871M09050 3564KD) Piston

Wisecos legacy is rooted in 2-stroke piston manufacturing and performance, dating over 80 years ago back to 1941. Today, Wiseco 2-stroke pistons are the result of decades of experience, incorporating the latest in 2-stroke piston manufacturing and design to deliver the performance Wiseco built its name on.

• Engineered, forged, and machined in the USA in Mentor, OH
• Designed and built for each specific 2-stroke powersports engine
• Improved tensile strength of forged material optimizes strength and service life
• Dedicated forgings and additional lightening operations allow for optimized strength-to-weight ratio
• Includes high-quality piston ring(s), wrist pin(s), and circlips