Vertex 83.94mm Oversize Bore Cast Piston Kit (23616A)
- Bore Oversize +1.00mm
- 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
- Cast piston kit is gravity-cast aluminum alloy (not forged) with 18% silicone content
- Piston kit includes piston, rings, wrist pin and circlips
NOTE: For use with Hot Rods Stroker crankshaft 0921-0011
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 2004 | Yamaha | Raptor 350 YFM350 | |
| 2005-2011 | Yamaha | Raptor 350 YFM350R | |
| 1987-2004 | Yamaha | Warrior 350 YFM350X | |