Fitment questions?
Call (855) 786-7101 or text (801) 304-3141. We check fitment by VIN.
Product details
This single brake pedal operates two separate master cylinders in a reverse-facing, inside-firewall arrangement. A 6.25:1 forged aluminum arm and adjustable balance bar provide the mechanical input for independent brake circuits. Established in 1977 by Bill Wood, Wilwood Engineering is based in Camarillo, California. Its disc brake design and manufacturing work covers calipers, brake rotors, master cylinders, valves, fittings, and brake lines. Across motorsport, street-performance, and specialized applications, those components are specified as parts of a complete braking system rather than chosen in isolation.
Technical Details
- Manufacturer part number: 340-12509
- Material: Aluminum
- Finish: Black E-coat
- Mount Type: Swing; Reverse
- Ratio: 6.25 to 1
- Pedal Length: 11.71 in
- Balance bar: Included
- Master cylinders: Two compatible units, sold separately
- Weight: 3.000 lb
- Mount length: 12.06 in
- Replaces earlier cast-arm assembly: 340-5181
Wilwood technical instructions DS-252 · Wilwood product specifications
Fitment & Compatibility
Match the master cylinder bores to the brake system and verify vertical-flange mounting. Masters and the optional remote bias cable are separate; the foot pad adjusts laterally, not by changing the nominal ratio.
With over 20 years of experience, PMB Performance can help check the details that matter before you order. Have the installed assembly and component specifications available.
