Coltri MCH22, MCH30, MCH36, MCH45, and OPEN BOOSTER stud screw. Described by Coltri as "TIE ROD M8X90-8.8 [VITE PRIGIONIERA M8X90-8.8]". For additional information on this kit, see page 4 of MCH22-MCH45 Parts List or page 4 of the Booster Open Parts List; both located under the User Manuals tab.
Nuvair offers authentic parts and equipment manufactured by Coltri Compressors. Beware of inexpensive aftermarket imitations labeled as "replacement," "OEM equivalent," "compatible," or "alternative," as they are not made by Aerotenica Coltri S.p.a. Due to size, weight, or specific requirements, some Coltri products may not be available for online purchase, and others may have extended lead times. To confirm compatibility with your existing equipment or to ensure the product meets your needs, please contact the Nuvair Sales Team for ordering assistance by email or phone.