WOSSNER 90mm PISTON KIT E, GM SPEEDWAY ENGINE

Piston kit 90.04mm BORE 89.96 Wossner 8811DE (+0.04) �

SPEEDWAY
ALL,

• Wossner forged pistons are superior in strength and design.
• Engineered to provide the best possible path for combustion chamber heat transfer to cylinder walls.
• Elliptically designed to provide a more uniform bearing surface under piston heat expansion, eliminating localized pressure and distributing thrust loads more evenly, thereby preventing piston collapse.
• Made in Germany.

Part No. 56-W9841.E (oro2u.com)
GM SPEEDWAY,
WOSSNER PISTON KIT E 8811DE 90.00mm BORE. Compression Height 22mm.
Lock P/N CW21,
Pin P/N WP074,
Ring Set P/N 900ADS,

Display (cm3) 499
Hub stroke (mm) 78.50
Clearance (mm) 0.08
Wossner compression Ratio:
OEM Compression ratio:
Dome volume (cm3) +5.60
Compression height (mm) 22.00
Theorectical weight (G)

Majority of our listings are for a direct replacement for your original part.

Our parts are made of quality and are designed to meet or exceed the original OEM Standards.

Our products are often a cost effective alternative to genuine OEM Parts.

Please note: the models of bike we state in our listings are for general guidance only. Please make sure this item will fit your bike before purchasing. Also, we cannot guarantee fitment to any non-UK models.