905286 Replacement XL 900cc cast piston. +.050"

For 1957 to 1971 XL900 models that need a fresh lease on life, this +.050" oversize cast piston provides a reliable solution. It features a standard 9:1 compression ratio, ensuring your Sportster runs exactly as the factory intended. The piston includes the wristpin and clips, though rings are not included and must be sourced separately. It is essential that a skilled mechanic evaluates the engine components and performs the installation to ensure everything is dialed in correctly. Once installed, following the standard break-in period is necessary for the longevity of the top end. This replacement piston is identified by OEM 905286 and is ideal for extensive engine restorations.