Wilwood Black Narrow Superlite 4 Caliper for 0.81-Inch Rotor Width, 1.12-Inch Bores / Radial Attachment

This black Narrow Superlite 4 is the nominal 0.81-inch rotor-width version with four equal 1.12-inch stainless bores. Its symmetrical layout permits either-side use with the bleed screws positioned correctly. Wilwood Engineering, founded by Bill Wood in 1977, is based in Camarillo, California. The company makes and designs disc brake components and systems for motorsport, street-performance and specialized applications, including calipers, brake rotors, master cylinders, valves, fittings and brake lines.

Technical Details

• Manufacturer part number: 120-11876-BK. Component: Forged Narrow Superlite 4 Radial Mount caliper.
• Supply: one brake caliper, not a complete axle brake kit. Match the mating rotor, pads, bracket and connection hardware to the installation.
• Black powder coat finish on a forged aluminum caliper body.
• 4 stainless steel pistons with 1.12-inch bore diameter. The specified effective area is 1.98 sq in.
• 5.98-inch radial mounting pattern, universal; mounting height 1.45 inches and hole size 0.39 inch.
• Caliper weight: approximately 5.0 lb.
• Piston dust boots: not fitted.
• Hydraulic inlet thread: 1/8-27 NPT. Use a fitting with the correct thread and sealing seat.
• Brake pad profile 7416; select friction material for the actual operating conditions.
• The rotor channel is specified for 0.81-inch nominal width. Rotor outside diameter: 11.75 to 14.00 inches. Specified rotor-width limits: 0.75–0.84 inch.

Fitment & Compatibility

Match the small 1.98-square-inch effective area to the brake circuit. Use the correct 5.98-inch radial bracket and 7416 pads, checking the rotor's lateral location before installation.

Ask PMB Performance to check the complete brake arrangement before ordering. Our team brings over 20 years of experience; photographs and measured bracket and rotor dimensions make that check more useful.