Coltri 3rd/4th Stage Piston Kit

Coltri MCH36 and BOOSTER OPEN third stage/fourth stage piston kit. Described in Coltri literature as "Kit 3rd/4th Stage Pad Ø60 MCH36." For additional information on this kit, see page 14 of MCH22-MCH45 Parts List or page 14 of the Booster Open Parts List; both located under the User Manuals tab.