Wilwood Red Forged Dynapro 6A Brake Caliper, Left, 1.62/1.38/1.38-Inch Pistons / 1.10-Inch-wide Rotor

For a brake system using a 1.10-inch-wide rotor, this red Wilwood Forged Dynapro 6A provides 6 pistons with 1.62/1.38/1.38-inch bores. Left-hand mounting is specified. The caliper attaches on 5.25-inch lug centers. Founded in 1977 by Bill Wood, Camarillo, California-based Wilwood Engineering manufactures disc brake components for motorsport, street-performance and specialized uses. Its range covers calipers, rotors, master cylinders, valves, fittings and brake lines.

The DP6A combines a six-piston differential-bore arrangement with a reinforced bridge and 5.25-inch lug mounting. Check piston area as well as rotor width when replacing an earlier Dynapro or Dynalite caliper.

Technical Details

• Manufacturer part number: 120-13433-RD
• Component: Wilwood Forged Dynapro 6A; one caliper
• Mounting: Left hand; Lug; 5.25-inch centers; 0.39-inch mounting holes
• Piston arrangement: 6 pistons; 1.62/1.38/1.38-inch bores; stainless steel
• Hydraulic piston area: 5.06 square inches, as specified by Wilwood
• Rotor width: 1.10-inch nominal; 1.04–1.13-inch permitted range
• Rotor diameter range: 10.00–13.00 inches
• Pad shape: Wilwood type 6712; compound selected separately
• Body and finish: Forged aluminum; Red Powder Coat
• Fluid inlet: 1/8-27 NPT
• Dust boots: No
• Mount height: 2.03 inches

Fitment & Compatibility

Measure rotor width before comparing calipers. Verify the mount height, rotor centerline and available wheel space; a common piston count does not establish interchangeability.

This listing covers one caliper. Match the brake pads, rotor, hose and mounting arrangement to the complete brake system.

With over 20 years of experience, PMB Performance can help compare piston configuration and mounting geometry. Share the existing brake package and measured rotor dimensions before ordering.