Forged high-compression piston engineered for performance applications with a standard 81.00 mm bore and an actual 13:1 compression ratio. Supplied individually, it is designed for cylinder deglazing installations and incorporates construction features to support reliable sealing and durability.

Features

• Forged and CNC-machined construction


• Manufactured in the USA


• Lightweight, extra-strength forgings


• Millimetre ring pack


• Gas ports


• Optimised skirt profile with skirt coating


• Offset pin design


• Nitride steel top ring and Napier 2nd XX ring pack (application dependent)

Specifications

• Bore (actual): 81.00 mm (standard)


• Displacement (engine reference): 1298 cc total (set)


• Stroke (engine reference): 63.00 mm


• Compression ratio (actual): 13:1


• Supply: Sold individually (each)


• Installation note: Cylinder deglazing required

Cross-Reference OEM Part Numbers

• 
  

  Wiseco 4690M08100

  
  

Vehicle Fitments

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  Suzuki GSX1300R Hayabusa 1999–2007