Wiseco 4941M08900 Piston Kit - Standard Bore 88.92mm, 11:1 Compression

Bore: 88.92mm
Compression: 11:1 Compression
Sizing: Standard Bore

SPECIFICATIONS.
Displacement: 448cc.
Bore - Standard: 89.00mm.
Bore - Actual: 89.00mm.
Bore - Oversize: STD.
Stroke: 72.00mm.
Compression Ratio - Actual: 11:1.
Skirt Coating: Moly.
ITEM CONTENTS.
8900ZC - 89.00 mm Ring Set.
S641 - PistonPin 20mm x 1.986in. NonChromed SW.
W5509 - ROUND WIRE PIN LOCKS 20MM (PR)

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:

2003-2005 KTM 450 EXC
2003-2005 KTM 450 MXC
2008-2010 KTM 450 XC
2006-2007 KTM 450 XC-W
2008-2010 Polaris Outlaw 450 MXR