Product Details
- Dedicated forging
- Light weight and superior strength
- Dome design
- Improved flame travel
- Chrome plated piston pin
- Reduced friction/scuff resistant
- Horizontal slot pin oiling
- Pressure seal groove
- Maximum ring seal
- Skirt coated Armor Glide
- Dedicated rings
- Maximum compression and oil control
- Race-Ready dome finish
- Smooth edges for improved combustion flow
- Note: All kits cover a single cylinder only
- All Wiseco 4-stroke top end kits include 1 piston, 1 ring set, 1 wristpin, 2 circlips and gaskets unless otherwise noted
- Wiseco top end kits are sold by application and bore size. To ensure you receive the correct kit for your application, you must know the standard bore size to make sure you are ordering either the standard or correct amount of oversize that you need. If you have any questions, please email us.
Wiseco Part#: PK1589
Product Type: Piston Kits
Specifications: Bore - Standard: 90.00mm
Bore - Oversize: STD
Dome Volume: +5.0cc
Bore - Actual: 90.00mm
Displacement: 433cc
Stroke: 68.00mm
Compression Ratio - Actual: 9.5:1
Item Contents: 4825M09000 - Honda 98-04 TRX450 Foreman, ES 9.5:1 CR
9000XX - 90.00MM RING SET
CW19 - ROUND WIRE PIN LOCKS 19MM (PAIR)
S660 - PIN- 19MM X 1.986" -UNCHROMED
W6371 - Gasket Kit - Hon. TRX450 Foreman 92mm