HAL DOHC

On display is a HAL DOHC engine with a HAL aluminum side-drive impeller water pump and a side-drive Bosch magneto. Also features two Riley side draft carburetors and a Thompson oil pump driven off the camshaft. 
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• Block - Model T
• Head - HAL
• Cam Design - Dual Overhead Cam
• Valve Design - Standard
• Production Date - c. late 1920s