Fitment questions?
Call (855) 786-7101 or text (801) 304-3141. We check fitment by VIN.
Product details
The 5.25-inch lug pattern identifies the attachment layout of this Wilwood Forged Dynapro 6A. This left-hand black caliper has 6 pistons, 1.38/1.00/1.00-inch bores and a 0.81-inch nominal rotor-width specification. Wilwood Engineering’s disc brake range includes calipers, rotors, master cylinders, valves, fittings and brake lines. Bill Wood founded the company in 1977 in California; it is based in Camarillo and serves motorsport, street-performance and specialized brake applications.
Technical Details
- Manufacturer part number: 120-13439-BK
- Component: Wilwood Forged Dynapro 6A; one caliper
- Rotor width: 0.81-inch nominal; 0.75–0.83-inch permitted range
- Rotor diameter range: 10.00–13.00 inches
- Mounting: Left hand; Lug; 5.25-inch centers; 0.39-inch mounting holes
- Mount height: 2.03 inches
- Piston arrangement: 6 pistons; 1.38/1.00/1.00-inch bores; stainless steel
- Hydraulic piston area: 3.08 square inches, as specified by Wilwood
- Pad shape: Wilwood type 6712; compound selected separately
- Body and finish: Forged aluminum; Black Powder Coat
- Dust boots: No
- Fluid inlet: 1/8-27 NPT
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.
Fitment & Compatibility
The bracket must center the caliper over the rotor and locate the friction material at the correct radius. Check hose routing and bleed orientation through the full suspension and steering movement.
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.
