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PISTON KIT GM SPEEDWAY 90.00, WOSSNER 8811DC C

Piston Kit Gm Speedway 90.00, Wossner 8811DC C

£299.04 GBP
Taxes included. Shipping calculated at checkout.

This Wossner forged piston kit with a 90.02mm bore (+0.02mm oversize) is designed for all Speedway applications, including GM Speedway 499cc engines. Manufactured in Germany, it features a high-strength forged design and optimised thermal characteristics. The elliptical piston profile ensures even expansion and pressure distribution, reducing stress and preventing collapse under demanding operating conditions.

Features

  • Forged construction for superior strength and thermal stability

  • Engineered for efficient heat transfer from combustion to cylinder walls

  • Elliptical profile ensures a uniform bearing surface during heat expansion

  • Evenly distributes thrust loads to prevent localised pressure

  • Manufactured in Germany

Specifications

  • Bore: 90.02mm (+0.02mm Oversize)

  • Actual bore: 89.94mm

  • 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.C

  • 8811DC

  • Pin Part Number: WP174

  • Ring Set Part Number: 900ADS-2

Vehicle Fitments

  • Speedway (All Models)

  • GM Speedway 499cc