Wilwood Black Dynalite Front Brake Kit, 11.75-Inch Plain Rotors, Mazda MX-5 Miata (2016–2023) and Fiat 124 Spider (2017)

Black Dynalite front brakes fit listed Mazda MX-5 Miata and Fiat 124 Spider versions. Match the original brake package and 11.75-inch rotor clearance. The conversion combines the caliper, pad and rotor configuration specified for this axle and mounting arrangement. Since its founding by Bill Wood in 1977, Wilwood Engineering has designed and manufactured disc brake systems and components. The company is based in Camarillo, California. Calipers, master cylinders, rotors, brake lines, fittings and valves make up a range serving motorsport, street-performance and specialized applications, with each component chosen for the complete system.

Technical Details

• Bracket-to-caliper mounting: Lug
• Pad compound selection: BP-10
• Caliper piston specification: Stainless
• Hydraulic inlet thread: 1/8-27 NPT
• Brake-rotor package: 11.75 × 0.81 inches; Iron; Plain Face
• Wheel-diameter reference: 15 in; the complete wheel-clearance drawing determines fit
• Retained-axle rotor mounting pattern: 4 x 3.93 inches; this does not change the retained hub or axle wheel pattern
• Flexline supply: Included; confirm correct routing and hard-line connection
• Installation hardware: Included; verify the installed fastener engagement
• Items not supplied: spindles, wheel hubs, master cylinder, brake booster
• Wilwood part number: 140-17937
• Conversion type: front conversion kit; Sold as a kit.
• Caliper configuration: Forged Dynalite Internal; 4 pistons per caliper; Black Powder Coat

Fitment & Compatibility

Applies to the listed 2016–2023 Mazda MX-5 Miata trims, with RF coverage beginning in 2017, and the 2017 Fiat 124 Spider Classica and Lusso entries. GS, GT, GX and RF derivatives retain their individual year limits in the table below. Confirm the installed front brake package, retained hub, 4 × 100 mm nominal mounting arrangement and full wheel profile; the 4 × 3.93-inch catalog drilling is the rotor/hat interface. Follow DS-1621 for caliper centering and supplied hose routing.

Wilwood product specifications · Wilwood installation and compatibility information · Wilwood installation and compatibility information

PMB Performance brings over 20 years of parts and fitment experience to component selection. Share the VIN, original brake package, axle position and wheel-clearance measurements so we can help check the configuration before ordering.

Manufacturer warning — brake pads only: WARNING: Cancer and Reproductive Harm. www.P65Warnings.ca.gov.