Wilwood Rear Red Superlite Brake Kit — 13.50-Inch Drilled/Slotted Rotors for Wrangler JL (2018–2025)

Red FNSL4R calipers distinguish this 13.50-inch SRP rear brake kit for the specified Wrangler JL versions. BP-22 pads and 25-inch hoses are included, with parking-brake operation continuing through the original hardware. The manufacturer is Wilwood Engineering, founded by Bill Wood in 1977 and based in Camarillo, California. It designs and manufactures disc brake components and complete systems, from calipers and brake rotors to valves, master cylinders, fittings and brake lines. Motorsport, street-performance and specialized installations each require those components to be matched to the complete brake system.

Technical Details

• Manufacturer part number: 140-18075-DR
• Service calipers: Forged Narrow Superlite 4R; 4 pistons; radial mount; Red Powder Coat
• Brake rotors: 13.50 x 0.81 inches; Iron; SRP Drilled & Slotted; vented construction
• Pads: BP-22; piston material: Stainless
• Caliper body material: Forged aluminum
• Hydraulic inlet: 1/8-27 NPT
• Rotor/hat wheel-stud clearance pattern(s): 5 x 5 in; 5 x 127 mm; match the installed hub/axle pattern
• Parking arrangement: retain the original parking-brake assembly
• Hydraulic brake hoses: included; DOT-approved hose kit
• Wheel clearance: 17-inch wheels may fit; verify the manufacturer’s complete caliper/rotor template for the installed wheel
• Supplied as one kit with mounting hardware; spindles, hubs, master cylinder and booster are not included

Fitment & Compatibility

Fits the listed Wrangler JL applications from 2018–2025, with trim-specific limits for Rubicon, 392, 4xe and other versions. Retain the factory parking-brake assembly and verify the exact model/trim row; the broad year range does not cover every JL configuration.

Follow DS1639 for the required dust-shield modification and caliper alignment. This JL package includes 25-inch brake hoses; check routing through full suspension travel after installation.

Confirm the applicable vehicle entry and all numbered notes in the fitment table below.

Manufacturer Resources

• Exact Wilwood kit specifications and wheel-clearance information
• Installation instructions and component list

WARNING: This product can expose you to chemicals including Arsenic, Cadmium, Chromium (Hexavalent compounds), Lead, Nickel, Cobalt and Antimony Trioxide which are known to the State of California to cause cancer or other reproductive harm. For more information go to www.p65warnings.ca.gov.

With over 20 years of parts and fitment experience, PMB Performance can help review the intended brake installation. Provide your VIN, wheel measurements and any modified axle or spindle details when asking about compatibility.

Vehicle Applications

Application Notes

1. Line kit included (manufacturer): 220-15929 (25.00 in)
2. Rear line-kit reference: 220-15929