Wiseco Forged Top End Kit 39.50 mm 11:1 CR for Honda XR50 1988–2008 PK1855

Wiseco PK1855 is a top end kit for a 39.50 mm bore.

Wiseco catalogue applications

Specifications

• Manufacturer part number: PK1855
• Product Series: 4 Stroke Forged Series
• Bore Diameter: 39.50 MM
• Piston Diameter: 39.46 MM
• Piston Oversize: 0.50 MM
• Piston Material: 4032
• Skirt Coating: No
• Compression Ratio Actual: 11:1

Included components

Piston #4798M03950, Ring Set #3950XZ, Piston pin #S671, Circlip #CW13, Gasket #W6160.

Select by the required finished cylinder bore. Bore diameter and piston diameter are different measurements.