This product has been discontinued

Vertex Big Bore Piston Kit - 23384A


  • Manufacturer: Vertex



Manufacturer Part Number: 23384A

Vertex Big Bore Piston Kit

  • +4mm Big Bore Kit includes: Piston, rings, pin, clips
  • All pistons are heat treated with a T-5 hardening and tempering cycle
  • All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life
  • Cast piston kits are gravity cast aluminum alloy (not forged) with 18% silicone content, which produces an extremely light but very strong piston
  • Forged pistons are forged from 2618 aluminum for superior strength and durability
  • Forged High Compression pistons improve power and torque across entire rpm range
  • Big Bore pistons increase engines displacement, torque, and peak horsepower
  • Forged Replica pistons are forged OE replacements
  • Replica pistons and all rings are OEM replacements
  • Kits include piston, rings, wrist pin and circlips

Fits: 2001 - 2008 KTM 125SX

Two Stroke Piston Installation

Four Stroke Piston Installation