Wilwood Forged Dynapro Low Profile Dust Seal Brake Caliper, Type III Anodized, 1.98-Square-Inch Piston Area

Match this Type III anodized Wilwood Forged Dynapro Low Profile Dust Seal to a brake assembly requiring 0.81-inch rotor width and 1.12-inch pistons. The 4-piston caliper uses 5.25-inch lug mounting rather than a vehicle-specific adapter supplied as a kit. 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: 120-15585
• Mounting: universal side configuration; Lug; 5.25-inch centers; 0.39-inch mounting holes
• Mount height: 2.10 inches
• Rotor width: 0.81-inch nominal; 0.75–0.83-inch permitted range
• Rotor diameter range: 11.00–13.06 inches
• Pad shape: Wilwood type 4812; compound selected separately
• Piston arrangement: 4 pistons; 1.12-inch bores; stainless steel
• Hydraulic piston area: 1.98 square inches, as specified by Wilwood
• Body and finish: Forged aluminum; Type III anodized
• Fluid inlet: 1/8-27 NPT
• Dust boots: Yes
• Component: Wilwood Forged Dynapro Low Profile Dust Seal; one caliper

Fitment & Compatibility

Set up the brake assembly around the specified rotor and pad geometry. Check the mount drawing and wheel envelope, and confirm that the piston area suits the rest of the hydraulic system.

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

This low-profile, dust-sealed Dynapro is designed around type 4812 pads for limited outboard rotor-hat clearance and narrower swept areas. It uses 5.25-inch lug centers, but pad depth and body clearance must be checked before substituting it for a taller Dynapro or Dynalite.

PMB Performance has worked with parts and brake fitment for over 20 years. Supply the installed caliper identity and the rotor and bracket measurements for a practical compatibility check.