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Product details
A chrome-look powder coating finishes this aluminum tandem master for the specified manual-brake Mustang pedal arrangement. The included pushrod operates a seven-eighths-inch bore with 1.10-inch piston travel and independent primary and secondary reservoir chambers. A disc brake manufacturer based in Camarillo, California, Wilwood Engineering was founded by Bill Wood in 1977. It designs and manufactures calipers, rotors, brake lines, fittings, valves and master cylinders for street-performance, motorsport and specialized systems. The chosen service part must agree with the complete system's connections, dimensions and operating demands.
Technical Details
- Manufacturer part number: 260-12900-P
- Material: Aluminum
- Cylinder bore: 7/8"
- Pressure circuits: 2
- Stroke Length: 1.10 in
- Reservoir Type: Integral
- Fluid capacity: 8.0 / 4.8 oz
- Flange-to-end length: 8.15"
- Overall Length: 13.65"
- Mounting centers: 3.22–3.40"
- Pushrod dimensions: 5.75"
- 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
Fitment & Compatibility
Match the 1964–1972 Ford Mustang manual mounting and pedal geometry. Use the supplied inverted-flare adapters and plugs in the selected side outlets, and provide separate front and rear circuit plumbing when replacing a single-outlet master. The finish is powder coating, not a burnished bare surface or chrome plating.
Manufacturer Documents
- Wilwood product specifications
- Wilwood DS969 instructions and specifications
- Wilwood FL162 instructions and specifications
- Wilwood DS487 instructions and specifications
With more than 20 years of experience, PMB Performance can help compare the specified part with the assembly you are servicing. Include the existing part identification and relevant hydraulic dimensions.
