This set of motor mounts (2 included) and transmission crossmember are designed to convert your H1 Hummer to be powered by a GM Duramax diesel engine and Allison transmission. These attractive mounts are laser cut and precision welded. They have proven themselves excellent for both low or high horsepower applications. Using these mounts with the H1 Hummer requires a minimum of a 2 1/2" body lift for sufficient clearance. Includes hardware.

The complete kit costs $579 —  if you would like to purchase the motor mounts or transmission crossmember separartely the cost is $299 each.