PISTON KIT GM SPEEDWAY 92.00, WOSSNER 8811D200C

This Wossner forged piston kit with a 92.00mm bore (+2.02mm oversize) is designed for all Speedway applications, including GM Speedway 499cc engines. Made in Germany, it offers outstanding strength and heat management. The elliptical piston design provides even expansion and pressure distribution under thermal load, minimising stress and helping prevent piston failure in high-performance environments.

Features

• Forged construction for superior strength and durability

• Engineered for efficient heat transfer from combustion chamber to cylinder walls

• Elliptical profile ensures consistent bearing surface under thermal expansion

• Even thrust load distribution reduces localised stress

• Manufactured in Germany

Specifications

• Bore: 92.00mm (+2.02mm Oversize)

• Actual bore: 91.94mm

• Display volume: 499 cm³

• Stroke: 78.50mm

• Clearance: 0.08mm

• Dome volume: +5.60 cm³

• Compression height: 22.00mm

Cross-Reference OEM Part Numbers

• 56-W9841_200

• 8811D200C

• Pin Part Number: WP174

• Ring Set Part Number: 920ADS-2

Vehicle Fitments

• Speedway (All Models)

• GM Speedway 499cc