Wiseco Forged 91.00mm Piston & Top End Gasket Kit (PK1591)
- 9.5:1 Compression Ratio
- Bore Oversize +1.00mm
- Complete piston kit includes pistons, rings, wrist pins, circlips and top-end gasket kit for one complete engine
- Designed and built for each specific 4-stroke powersports engine
- Improved tensile strength of forged material optimizes strength and service life
- Engineered, forged, and machined in the USA
- Wiseco ring types are not interchangeable (i.e., CD is not interchangeable with LC)
- Wiseco pistons can be fitted only with Wiseco rings
- Cylinder sleeves must be purchased separately.
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 1998-2001 | Honda | Foreman 450 TRX450ES 4x4 ES | |
| 2002-2004 | Honda | Foreman 450 TRX450FE 4x4 ES | |
| 2002-2004 | Honda | Foreman 450 TRX450FM 4x4 S | |
| 1998-2001 | Honda | Foreman 450 TRX450S 4x4 S | |