Wilwood Right DP6A Caliper for 0.38-Inch-Wide Rotors, Type III / 5.06-Sq-In Area

This right Dynapro 6A is the Type III anodized configuration for a nominal 0.38-inch rotor width. Its forged six-piston body retains 1.62/1.38/1.38-inch stainless bores and the 5.25-inch lug mounting pattern. From its base in Camarillo, California, Wilwood Engineering designs and manufactures disc brake systems and components. Founded by Bill Wood in 1977, its range includes calipers, brake rotors, master cylinders, valves, fittings and brake lines for motorsport, street-performance and specialized applications.

Technical Details

• Manufacturer part number: 120-13430. Component: Forged Dynapro 6A Lug Mount caliper.
• Supply: one brake caliper, not a complete axle brake kit. Match the mating rotor, pads, bracket and connection hardware to the installation.
• Body: forged aluminum; finish: Type III anodize.
• Rotor compatibility: nominal width 0.38 inch; diameter 10.00–13.00 inches. Specified rotor-width limits: 0.25–0.38 inch.
• Caliper weight: approximately 4.9 lb.
• Mounting: lug, 5.25-inch centers; right hand orientation. Mount holes: 0.39 inch; height: 2.03 inches.
• Hydraulic inlet thread: 1/8-27 NPT. Use a fitting with the correct thread and sealing seat.
• Pistons: 6 stainless steel; bore specification: 1.62/1.38/1.38 inches. Effective piston area: 5.06 sq in.
• Compatible brake pad shape: 6712; choose the required compound for the brake system.
• Piston dust boots: not fitted.

Fitment & Compatibility

Do not confuse the narrow rotor cavity with the wider 0.81- or 1.10-inch DP6A versions. Check the specified 0.25–0.38-inch rotor width and 6712 pad installation, then compare the caliper’s hydraulic area with the rest of the brake system.

With 20+ years of experience, PMB Performance can help compare the actual brake hardware. Supply the caliper number, rotor dimensions and mounting measurements when asking about compatibility.