Wilwood Front Drilled-and-Slotted Brake Conversion, Black Superlite 6R for Jeep Wrangler JK 2007–2018

A drilled-and-slotted 12.88-inch rotor face defines this Jeep JK front package. Its black radial-mount Superlite 6R calipers use six stainless pistons and must be matched to the factory hub and wheel envelope. Since its founding by Bill Wood in 1977, Wilwood Engineering has focused on disc brake system design and manufacturing. Based in Camarillo, California, it offers calipers, rotors, brake lines, master cylinders, fittings and valves for motorsport, street-performance and specialized installations. Choose components to satisfy the requirements of the entire braking system.

Technical Details

• Manufacturer: Wilwood
• Manufacturer part number: 140-13880-D
• Kit classification: Front Brake Kits - Street Performance
• Axle position: Front Kits
• Brake Type: Disc
• Selling unit: Sold as a kit.
• Pistons per service caliper: 6
• Service-caliper piston construction: Stainless
• Service-caliper mount: Radial
• Caliper body construction: Forged aluminum
• Caliper Color: Black
• Caliper Finish: Black Powder Coat
• Caliper Inlet Port Diameter: 1/8-27 NPT
• Caliper family: Superlite 6R
• Pad compound: BP-20
• Rotor Outside Diameter: 12.88 in; 327.15 mm
• Rotor Thickness: 1.25 in; 31.75 mm
• Rotor Material: Spec-37 Iron
• Surface Type: SRP Drilled & Slotted
• Rotor construction: Vented
• Bolt Circle Diameter: 5 x 5 in; 5 x 127 mm
• Catalog stud / mounting-hole reference: 0.520 in; 13.21 mm
• Rotor surface finish: Black Electro Coat
• Hat material: Aluminum
• Hat finish: Black E-Coat
• Hat offset dimension: 0.850 in
• Minimum wheel guidance (clearance drawing required): 17 in; 431.8 mm
• Spindle Included: No
• Mounting Hardware Included: Yes
• Separate wheel hubs included: No
• Master Cylinder Included: No
• Brake Booster Included: No
• Brake Lines Included: No

Fitment & Compatibility

Use the listed 2007–2017 Wrangler or 2018 Wrangler JK application; the 2018 JK entry must not be extended to the newer JL platform. Confirm the original front hub and five-lug pattern, then use the wheel drawing rather than rim diameter alone. Front flexline kit 220-11237 is specified separately; the kit is designed around the qualifying OE master-cylinder output and ABS function.

Listed models: Wrangler; Wrangler JK. Use the fitment table below for the individual years, submodels and equipment conditions.

Wilwood product specifications · Installation instructions

PMB Performance has over 20 years of brake-parts experience. Send the installed component details if you need help checking this replacement.