This original-style "bean can" metal canister master cylinder, with "Lockheed" embossed, is manufactured to OEM-spec; can be used on original-specification vehicles using DOT4 or DOT5 hydraulic fluid, as specified in the vehicle's hand book/workshop manual. These cylinders are not warranted for the use of any other fluid, including racing fluids such as Castrol SRF hydraulic fluid or any mineral fluid.

For rebuild kit, see SSB960.

For modern-style version with plastic reservoir, see GMC1008.