Wilwood Remote Tandem Master with Rod, Chrome Powder, 1-1/8-inch Bore and Twin Reservoirs

This chrome-finished package pairs the larger Remote Tandem bore with a supplied manual pushrod. Remote reservoir brackets, hose and feed fittings allow the two fluid containers to be mounted where their caps remain accessible for filling and inspection. Wilwood Engineering's disc brake systems bring together calipers, rotors, valves, master cylinders, fittings and brake lines. Founded by Bill Wood in 1977 and based in Camarillo, California, the company designs and manufactures products for motorsport, street-performance and specialized applications. The installed system determines which individual component is appropriate.

Technical Details

• Manufacturer part number: 260-14389-P
• Material: Aluminum / Plastic
• Cylinder bore: 1-1/8"
• Pressure circuits: 2
• Reservoir Type: Remote
• Fluid capacity: 7.0 / 7.0 oz
• Flange-to-end length: 6.56"
• Mounting centers: 3.22–3.40"
• Pushrod dimensions: 4.23" x 3/8-24
• Finish: Chrome powder coat
• Native pressure ports: 1/2-20 at both circuits; use the correct included outlet adapters and seal washers
• Circuit outlet adapters: Primary: 3/8-24 or 1/2-20 inverted flare; secondary: 3/8-24 or 9/16-18 inverted flare
• Hydraulic relationship: Equal pressure output from the two circuits before external proportioning; 2:1 primary/secondary volume relationship
• Service: Factory rebuild only; do not disassemble the tandem piston assembly
• Travel check: DS-1189 specifies 1.12-inch stroke and also states 1.10 inches in its full-travel warning; verify actual full piston travel before the pedal reaches a stop
• Reservoir feed: 0.87-inch inlet seating diameter with 11/16-20 internal thread; 1/4-inch feed-hose adapters for the standard remote reservoirs
• Reservoir package: Two 7 oz reservoirs with caps, brackets, clamps, hoses and feed adapters for direct or remote mounting
• Housing envelope: 7.16 inches as listed, excluding the projecting operating rod; verify the complete rod-equipped length

Fitment & Compatibility

Verify the one-and-one-eighth-inch bore against the full brake-system calculation and check the installed rod length at the pedal. Use double-flared lines with the provided adapters and keep unused outlets plugged. The master must complete its full travel before any external stop and retract completely when released.

Manufacturer Documents

• Wilwood product specifications
• Wilwood DS1189 instructions and specifications
• Wilwood FL428 instructions and specifications
• Wilwood FL162 instructions and specifications
• Wilwood FL467 instructions and specifications

The component must suit the completed installation. PMB Performance draws on over 20 years of experience to help you check the part identification, mating connections and required operating dimensions.