678 & 679 Series Master Cylinders
Home > Master Cylinders >Push-Type Master Cylinders > 682 Series Master Cylinders
Our largest bore diameter master cylinders.

Note: The larger the bore diameter, the less psi it
produces with the same pedal force.

Piston Stroke = 1.02"

Part Number
678-4 shown


•Displacement of 678 series = 0.80 cu-in
•Displacement of 679 series = 0.61 cu-in
• Outlet Ports: 3/8-24
• Max Pressure = 1,200 psi
• For use with MIL-H-5606 Fluid

Click on Part Number for
Dimensional Data
Part
Number
Cylinder
Bore
Pin-to-Pin
Length
Upper
Attachment
Lower
Attachment
Weight Price
678-1 1.0" 7.5" Clevis Inline 12.0 oz. $419.00
678-2 1.0" 8.0" Clevis Inline 12.0 oz. $419.00
678-3 1.0" 7.5" Clevis 90° Offset 12.0 oz. $419.00
678-4 1.0" 8.0" Clevis 90° Offset 12.0 oz. $419.00
678-5 1.0" 8.5" Clevis Inline 12.0 oz. $419.00
678-6 1.0" 8.5" Clevis 90° Offset 12.0 oz. $419.00
679-1 0.875" 7.5" Clevis Inline 12.0 oz. $419.00
679-2 0.875" 8.0" Clevis Inline 12.0 oz. $419.00
679-3 0.875" 7.5" Clevis 90° Offset 12.0 oz. $419.00
679-4 0.875" 8.0" Clevis 90° Offset 12.0 oz. $419.00