Forged piston kit supplied as a set of four pistons with associated components for performance-focused engine rebuilds, engineered for improved heat transfer and structural stability under load.

Features

• Forged piston construction for enhanced strength and endurance


• Designed to maximise heat transfer from combustion chamber to cylinder walls


• Elliptical profile provides uniform bearing surface under heat expansion


• Reduces localised pressure and evenly distributes thrust loads


• Prevents piston collapse and maintains structural integrity under stress


• Manufactured in Germany

Specifications

• Bore: 65.00 mm (+4.00 mm oversize)


• Clip part number: CW15


• Piston pin: WP102


• Ring set: 650XKS


• Displacement: 836 cm³


• Stroke: 63.00 mm


• Clearance: 0.06 mm


• Compression ratio: 10.30:1


• OEM compression ratio: 9.20:1


• Dome volume: -5.30 cm³


• Compression height: 23.50 mm

Cross-Reference OEM Part Numbers

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  K8799D400-4

  
  

Vehicle Fitments

• Honda CB750 F [2 Valve] 1969-1978


• Honda CB750 K [2 Valve] 1969-1978