Fitment questions?
Call (855) 786-7101 or text (801) 304-3141. We check fitment by VIN.
Product details
This red Wilwood Forged Dynalite-M is the 1.75-inch-bore version for a nominal 0.81-inch-wide rotor. Its four stainless pistons work in a forged lug-mount body, combining a 4.80-square-inch effective area with the family's outboard-clearance profile. From its base in Camarillo, California, Wilwood Engineering designs and manufactures disc brake systems and components. Bill Wood founded the company in 1977; its motorsport, street-performance and specialized range includes calipers, brake rotors, master cylinders, valves, fittings and brake lines.
Technical Details
- Manufacturer part number: 120-17771-RD. Type: Forged Dynalite-M caliper.
- Rotor channel: 0.81-inch nominal width. Specified width limits: 0.75–0.83 inch; rotor outside diameter: 10.00–12.19 inches.
- Piston arrangement: 4 stainless steel pistons; bore specification 1.75/1.75 inches. Effective piston area: 4.80 square inches.
- Caliper body: forged aluminum; finish: Red Powder Coat.
- Mounting: lug, 5.25-inch centers; orientation: universal. 0.39-inch holes; 2.03-inch mounting height.
- Brake pad shape: 7112. Choose pad dimensions and friction material for the brake system.
- Hydraulic inlet thread: 1/8-27 NPT. Match the fitting thread and sealing arrangement to the brake hose.
- Piston dust boots: no.
- Caliper component weight: approximately 3.3 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 actual rotor width within 0.75–0.83 inch and use the correct 7112 pad shape and bracket offset. Verify the wheel clears the housing and retainers, and preserve the hydraulic sizing intended for the complete brake system.
PMB Performance brings over 20 years of experience to brake-component selection. Share the installed caliper, rotor size and mounting arrangement so the relevant dimensions can be compared.
