Description
The VERTEX Piston Kit 22978A delivers the precision engineering and durability required for serious engine builds. Whether you’re running a high-compression setup or increasing displacement, these pistons are engineered to handle sustained high-RPM loads while maintaining tight tolerances. Built with advanced materials and coatings, this kit ensures faster break-in and extended service life without compromising performance.
- T-5 heat treated
- Molybdenum Disulfide skirt coating
- Gravity cast aluminum (18% silicone)
- Forged 2618 aluminum option
- High compression variant available
- Big bore displacement option
- Forged OE replica pistons
- Includes piston, rings, pin
- Circlips included
- Two-stroke rings sold individually
- Four-stroke rings as set
- Top End Kits with gaskets available
- MPN: 22978A






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