Upgrade your pistons to a forged set from CP Carrillo. Specs as follows:

  • Manufacturer Part No: M5079-14
  • Bore: 4.250in.
  • Stroke: 3.085in.
  • Fully CNC machined & forged from high strength 2618 alloy
  • Balanced to +/- 1g
  • Double forced pin oilers
  • Designed for maximum performance, horsepower & reliability
  • Complete kit includes 2 x pistons, ring sets, wrist pins & clips
  • 14.0:1 is a higher compression rate than standard (11.5:1) & suitable for big bore stroker motors


  • Follow ring end gap & piston to cylinder clearances as per supplied CP Carrillo instructions
  • Installation may require additional components depending on application

Be sure to contact the DarkSide team for expert advice on fitment for your bike before ordering.