Wilwood MC4 Mechanical Parking Brake Caliper – Left Hand, Black Powder Coat

The Wilwood MC4 Mechanical Parking Brake Caliper is a cable-operated, floating caliper designed as a dedicated mechanical parking brake solution for custom builds, motorsports, and street applications that require a separate, mechanically actuated caliper. This model is configured for left-hand mounting and finished in a durable black powder coat.

Key Features

• Single-piston design with a 1.19" aluminum piston, total piston area of 1.11 in²
• Cast aluminum body with forged billet anvil for strength and low weight (3.3 lbs with pads, 2.95 lbs without pads)
• Fully dust-booted piston for protection against moisture and debris
• Includes high-friction Composite Metallic (CM) brake pads (Pad Type: 6407), pad area: 1.7 in², pad volume: 0.26 in³
• Pre-fitted with noise-canceling shields and cable return spring
• Manual adjuster for pad and rotor wear compensation—no special tools required
• Steel mounting bracket included; mount center: 2.00" (hole size: 0.67")
• Lever cartridge can be clocked in three positions for cable routing flexibility
• Accepts .310" diameter barrel-ended parking brake cable (not included)

Rotor Compatibility

• Recommended rotor width: 0.81"
• Compatible rotor width range: 0.70" – 0.81"
• Rotor diameter range: 11.00" – 14.00"

Mounting

• Mount Type: Floating
• Mount Side: Left Hand
• Mount Center: 2.00"
• Mount Hole Size: 0.67"

Specifications

• Material: Cast Aluminum
• Finish: Black powder coat, brake fluid resistant
• Weight: 3.3 lbs (with pads)
• Piston Count: 1
• Piston Bore: 1.19"
• Pad Type: 6407

Included

• MC4 Mechanical Parking Brake Caliper – Left Hand
• Composite Metallic (CM) pads pre-installed
• Noise-canceling shields
• Steel mounting bracket
• Cable return spring

Designed for enthusiasts who require a dedicated, mechanically actuated parking brake caliper with reliable performance, easy installation, and straightforward adjustment. Suitable for custom, motorsport, and street use where a separate parking brake is needed.