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PRODUCT DESCRIPTION
Product details
Combined Parking Brake
Wilwood’s Combined Parking Brake (CPB) hydra-mechanical parking brake caliper utilizes hydraulic pressure for braking and a mechanical lock for parking. This redesigned unit offers new options for drum brake conversions and disc brake upgrades on rear axles that are not compatible with internal shoe systems. This caliper, when matched with the proper rotor diameter, provides optimum braking balance for use with front wheel brake upgrades.
The CPB is a single piston floating design that bolts to a fixed radial mount. The floating assembly allows the caliper to maintain perfect alignment when the cable actuated mechanical parking brake lock is engaged and disengaged. The floating bracket also keeps the caliper properly aligned over the rotor and prevents excessive pad knockback on C-clip rear axles with measurable end play. As the pads wear, the caliper remains centered over the rotor. Radial mounting offers virtually unlimited attachment options. Axle flange brackets can be configured to mount the caliper at any height within the compatible rotor diameter range, or at any clock position relative to the hat offset and rotor. The caliper is compatible with rotor diameters from 11.00” to 13.00” and is available in two models for either .81” or 1.00” wide rotors. The parking brake lock is cable actuated. Connections are made with common cable ends using a 1/2” cable housing end into the stop bracket and a 1/8” to 9/64” cable with either a crimped or soldered ball end. The caliper accepts the OE cable on some vehicles. For other vehicles, new cable ends can be ordered to adapt the caliper to the vehicle’s OE cable system. For custom installations, aftermarket hand brake kit suppliers can easily configure the cable with the correct attachment end. id="MainContent_lblDimPistArea" class="Gray11B">2.06
Rotor Dimensions
| Rotor Width (in) | 0.81 |
| Rotor Diameter (in) | 13.00 |
Pad Dimensions
| Pad Area (in²) | 4 |
| Pad Volume (in³) | 1.5 |
Use and Material Rating
| Material | Aluminum/Steel |
| Weight (lbs) | 6.1 |
Colors and Finish
| Color | Red |
| Finish | Red Powder Coat |
Mounting
| Mounting Center (in) | 5.98 |
| Mount Position | |
| Mount Side | Right |
| Mount Type | Radial |
Specifications
Rotor Compatibility
| Rotor Width (in) | 0.81 |
| Max Rotor Width (in) | 0.81 |
| Min Rotor Width (in) | 0.75 |
| Max Rotor Diameter (in) | 13.00 |
| Min Rotor Diameter (in) | 11.00 |
Brake Pad Specifications
| Brake Pad Type 1 | D340 |
| Brake Pad Type 2 | N/A |
| Brake Pad Type 3 | N/A |
| Total Pad Area (in²) | 4 |
| Total Pad Volume (in³) | 1.5 |
| Mounting |
Piston Specifications
| Piston Diameter 1 (in) | 1.62 |
| Piston Diameter 2 (in) | |
| Piston Diameter 3 (in) | |
| Total Piston Area (in²) | 2.06 |
Mounting Specifications
| Mount Side | Right |
| Mount Center (in) | 5.98 |
| Mount Hole Size (in) | 0.39 |
| Mounting Height (in) | 2.08 |
| Inlet Thread Size | M10 x 1.00 |
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