Product Details
- Dedicated forging
- Superior strength/weight ratio utilizing Aerospace alloy
- Race proven designs
- Chosen by top race teams, in all forms of racing
- CNC machined
- Optimal cam shape and profile for peak HP and service life
- Precision machined, highest quality materials for strength and reduced friction
- High-performance ring set
- Extended life and sustained power
- Highest quality, alloy pin
- Consistently true and durable
- Covers stated number of cylinders
- All Wiseco 2-stroke top end kits include piston(s), ring set(s), wristpin(s), 2 circlips and gaskets
- All Wiseco 2-stroke top end kits do not include top end bearing(s)
- 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#: SK1007
Product Type: Piston Kits
Specifications:Bore - Standard: 65.00mm
Cylinders: 2
Bore - Oversize: 0.50mm
Displacement: 404cc
Bore - Actual: 65.50mm
Note: Liquid cooled
Stroke: 60.00mm
Item Contents:2325M06550 - POLARIS 400 INDY 84-91 2579CS
2579CS - 65.50 MM RING SET
CW18 - ROUND WIRE PIN LOCKS 18MM (PAIR)
S280 - PIN-18MM X 2.165"-UNCHROMED-*2 CY*
W5096 - TOP END GSKT KIT-POL 400 INDY 84-91