Wilwood Mazda Miata Front Brake Conversion, Black Calipers and 11.75-Inch Drilled Rotors (1991–1997, 1999–2005)

Fit drilled and slotted front rotors with black Dynalite calipers on listed Mazda Miata models. Verify suspension options and the full wheel profile. 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

• Included pad compound: BP-10
• Piston material: Stainless
• Hydraulic caliper inlet: 1/8-27 NPT
• Rotor dimensions and construction: 11.75 × 0.81 inches; Iron; SRP Drilled & Slotted
• Wheel-size reference: 15 in; the complete wheel-clearance drawing determines fit
• Rotor / hat axle-flange drilling: 4 x 3.93 inches; this does not change the retained hub or axle wheel pattern
• Hydraulic flexlines: Included; confirm correct routing and hard-line connection
• Mounting hardware: Included; verify the installed fastener engagement
• Not included: spindles, wheel hubs, master cylinder or brake booster
• Manufacturer part number: 140-17935-D
• Brake assembly: front conversion kit; Sold as a kit.
• Calipers: Forged Dynalite Internal; 4 pistons per caliper; Black Powder Coat
• Caliper mounting: Lug

Fitment & Compatibility

Covers the listed Mazda Miata 1991–1997 and 1999–2005 rows, including the 2001 Sport Suspension VIN splits and later Sport Suspension entries. 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. Use the fitment table below to confirm the individual model, year, submodel and brake-option restrictions.

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

Before purchase, send PMB Performance the VIN, original brake package, axle position and wheel-clearance measurements. Our over 20 years of parts and fitment experience helps identify the installation details that need to be checked.

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