Coltri 3rd Generation 4th Stage Valve Head Kit

Coltri BOOSTER OPEN fourth stage valve head kit. Also fits MCH20-MCH24 CNG fourth stage. Third generation version for MCH36 fourth stage. Described in Coltri literature as "Kit Valve Head 4° ST.MCH36." For additional information on this kit, see page 14 of MCH22-MCH45 Parts List, page 14 of Booster Open Parts List, or page 18 of MCH20-MCH24 CNG Parts List; all located under the User Manuals tab.