Wilwood Forged Dynalite-M Anodized Four-Piston Caliper, 3.00-Square-Inch Area / 5.25-Inch Lugs: Gray Dynalite-M caliper with a shaped logo face, open bridge and a central wire pad retainer.

Wilwood Forged Dynalite-M Anodized Four-Piston Caliper, 3.00-Square-Inch Area / 5.25-Inch Lugs

SKU: 120-17770

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Product details

This anodized Wilwood Forged Dynalite-M uses four 1.38-inch stainless pistons and a nominal 0.81-inch rotor-width channel. Its body is shaped for outboard clearance in the Classic-style brake family, while remaining a separate component whose fit depends on the bracket and rotor. Bill Wood established Wilwood Engineering in 1977. Based in Camarillo, California, the company designs and manufactures disc brake systems for motorsport, street-performance and specialized use, including calipers, brake rotors, master cylinders, valves, fittings and brake lines.

Technical Details

  • Manufacturer part number: 120-17770. Type: Forged Dynalite-M caliper.
  • Hydraulic inlet thread: 1/8-27 NPT. Match the fitting thread and sealing arrangement to the brake hose.
  • Mounting: lug, 5.25-inch centers; orientation: universal. 0.39-inch holes; 2.03-inch mounting height.
  • Piston arrangement: 4 stainless steel pistons; bore specification 1.38/1.38 inches. Effective piston area: 3.00 square inches.
  • Rotor channel: 0.81-inch nominal width. Specified width limits: 0.75–0.83 inch; rotor outside diameter: 10.00–12.19 inches.
  • Caliper body: forged aluminum; finish: Type III Anodize.
  • Piston dust boots: no.
  • Brake pad shape: 7112. Choose pad dimensions and friction material for the brake system.
  • Caliper component weight: approximately 3.4 lb.
  • Component: one individual hydraulic brake caliper. Select the mating rotor, pads, mounting hardware and line connection to suit the complete brake assembly.

Fitment & Compatibility

Check the 5.25-inch lug pattern and 7112 pad position against the existing brake arrangement. Confirm rotor diameter, hat offset and wheel clearance together; the Dynalite-M designation does not identify a particular vehicle on its own.

For help matching this caliper, contact PMB Performance with the brake-package details and rotor measurements. Our team has more than 20 years of experience with brake parts and fitment.