WOSSNER PISTON KIT GM SPEEDWAY 90.00, WOSSNER 8811DA A

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)