Wiseco Performance Oversized Piston Kit

Part Number: 2379M07900 

• These kits contain everything you need to complete your piston repair, the first time
• High Performance ring kit and alloy pin included with each piston kit for extended life and sustained power.
• Dedicated forgings used for superior strength to weight ratio utilizing aerospace alloy.
• All Piston Kits are precision crafted and forged in the USA

Wiseco's Piston Kits are offered for nearly every popular application in the powersports market. These kits contain everything you need to complete your piston repair, the first time. High quality parts specifically chosen by us to match our forged pistons are included in this kit for easy one stop shopping. 2-stroke kits feature our Pro-Lite pistons that are CNC machined for optimal cam shape and profile for peak HP and service life. 4-stroke kits feature a race-ready dome finish with smooth edges for improved combustion flow. Horizontal slot-pin oiling reduces friction and provides scuff resistance, along with a pressure seal groove for maximum ring seal. 4-stroke race applications feature Wiseco's Armor Glide skirt coating to provide reduced friction and noise to contribute to increased horsepower. Each piston is built from race proven designs that are chosen by the top race teams in all forms of racing including Supercross, Motocross, GNCC, Super-bike, and more.

Fits:
1993-99 Ski-Doo 670 Engine Type
1999 Ski-Doo Formula Deluxe 670 
1998-99 Ski-Doo Formula Z 670 
1997-98 Ski-Doo MXZ 670 
1995-97 Ski-Doo Summit 670
1996 Ski-Doo Mach I 670 
1993-95 Ski-Doo Formula Mach I 670 
1994-95 Ski-Doo Formula SS 670
1994-95 Ski-Doo Grand Touring 670 SE 

Specs:

• Displacement: 686cc
• Bore-Standard: 78.00mm
• Bore-Actual: 79.00mm
• Bore-Oversize: 1.00mm
• Stroke: 70.00mm