HAL DOHC Model B

This is a HAL Model B DOHC engine. It has a HAL head designed for a custom Model B block. This engine features a HAL deep-sump aluminum oil pan, American Bosch Magneto, Two-stage brass gear type dry-sump, and HAL impeller side-drive water pump. 
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• Block - Model B
• Head - HAL
• Cam Design - Dual Overhead Cam
• Valve Design - Standard
• Production Date - c. 1930s