Bore: 85.87mm
Compression: Compression Not Available
Sizing: 4.00mm Oversize

SPECIFICATIONS.
Displacement: 739cc.
Bore - Standard: 78.00mm.
Bore - Actual: 82.00mm.
Bore - Oversize: 4.00mm.
Stroke: 70.00mm.
Cylinders: 2.
Engine Type: 670.
Note: Pro-Lite.
Note: Cast Iron Bore.
Note: Cylinder sleeving required.
Note: Cyl head machining required.
Note: Bore cases to accept sleeves.
ITEM CONTENTS.
3228KD - 3.228 Semi Keystone Ring Set.
CW20 - ROUND WIRE PIN LOCKS 20MM (PAIR).
S461 - PistonPin 20mm x 2.559in. NonChromed TW

All Wiseco Pistons are forged from high silicon, low expansion aluminum which offers superior strength, reduced weight, improved heat transfer, and longer life. Diamond turned finish from one of the many CNC computer controlled turning centers guarantees you a perfect finish with no size variation. Wiseco pistons can be installed in any of todays cylinder bore compositions. Wisecos state-of-the-art computerized manufacturing facility is dedicated to supplying both the high-perfomance racer and recreational enthusiast with the finest forged piston available in todays market place.

Vehicle Fitment:
1999 fits Ski-Doo™ Formula Deluxe 670
1993 fits Ski-Doo™ Formula Mach 1
1995 fits Ski-Doo™ Formula Mach 1
1995 fits Ski-Doo™ Formula SS
1998-1999 fits Ski-Doo™ Formula Z 670
1996 fits Ski-Doo™ Mach 1
1997-1998 fits Ski-Doo™ MX Z 670
1995-1997 fits Ski-Doo™ Summit 670