WOSSNER 90mm PISTON KIT A, GM SPEEDWAY ENGINE

Piston kit 90mm BORE 89.92 Wossner 8811DA � (STD) �

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.A (oro2u.com)
GM SPEEDWAY 499cc,
WOSSNER PISTON KIT 8811DA 90.00mm BORE [89.92]. Compression Height 22mm.
Cross reference numbers ONLY.
Pin P/N WP174,
Ring Set P/N 900ADS-2,

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)