Wilwood 120-9809 Radial Mount Combination Parking Brake Caliper, Left, 1-Piston, Red.

Combined Parking Brake Caliper

Wilwood’s Combined Parking Brake (CPB) hydro-mechanical caliper uses hydraulic pressure for braking and a mechanical lock for parking brake engagement. 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 appropriate rotor diameter, provides optimum braking balance for use in conjunction with front wheel brake upgrades.

The CPB features a single-piston floating design that attaches to a fixed radial mount. The floating mount 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 knock-back on C-clip rear axles with measurable side play. As the pads wear, the caliper remains centered over the rotor. The radial mount provides virtually limitless attachment options. Mounting brackets from the axle flange can be configured to mount the caliper at any height within the compatible rotor diameter range, or at any lateral position relative to the hat and rotor offset. The caliper is compatible with rotor diameters from 11.00" to 13.00" and is available in two models for either 0.81" 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 a crimped or welded 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">1.38 Piston Type Steel Piston Dust Boot Yes

Rotor Dimensions

Rotor Width (in)	0.81
Rotor Diameter (in)	13.00

Pad Dimensions

Pad Area (in²)	4
Pad Volume (in³)	1.5

Usage Rating and Material

Material	Aluminum/Steel
Weight (lbs)	6.1

Colors and Finish

Color	Red
Finish	Red Powder Coat

Mounting

Mounting Center (in)	5.98
Mounting Position
Mount Side	Left
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 Bore 1 (in)	1.34
Piston Bore 2 (in)
Piston Bore 3 (in)
Total Piston Area (in²)	1.38

Mounting Specifications

Radial

Mount Side	Left
Mounting Center (in)	5.98
Mounting Hole Size (in)	0.39
Mount Height (in)	2.08
Inlet Thread Size	M10 x 1.00