Mastervac or Mechanical Boosters

        6" or Holden Gemini or Datsun 120Y Mastervac

     9" Single Diaphragm type eg. GTR Torana  LX Torana

        8" Tandem Diaphragm fitted to XA-XB Falcon and other Fords

        9" Compact tandem diaphragm fitted to Commodore, Falcon,Valiant and others

         9" Tandem diaphragm fitted to Holden HK-G-T,Torana XU1 and other vehicles.

         11" Single diaphragm fitted to Holden HQ through to WB (see tech. talk)

         11" Tandem diaphragm fitted to  Ford LTD and Fairlane ZK-ZL.

         9"  Girlock single diaphragm fitted to Falcon XW-Y Cortina Valiant

        9" Girlock Isovac  plastic mastervac   fitted to some Falcon and Commodores

        6" Compact tandem diaphragm USA import. Only available new. Suitable for Hot Rod under floor applications

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