Vertex 88.94mm Forged Big Bore Piston Kit (23610A)
- The piston is heat-treated with a T-5 hardening and tempering cycle
- The piston skirt is coated with a high-tech Molybdenum Disulphite coating for faster break in time and increased piston life
- Increases engine's displacement, torque and peak horsepower
- Forged OE stock compression big bore piston
- Piston kit includes piston, rings, wrist pin and circlips
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 1999-2008 | Honda | Sportrax 400 TRX400EX 2x4 | |
| 2009 | Honda | TRX400X 2x4 | |
| 2012-2014 | Honda | TRX400X 2x4 | |