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Product details
Four 1.62-inch stainless pistons define this anodized FSLI's 4.12-square-inch effective area. The individual forged caliper is configured for a nominal 0.81-inch rotor width and the 7420 pad profile. Camarillo, California is home to Wilwood Engineering, the disc brake company Bill Wood founded in 1977. Its design and manufacturing range spans calipers, brake rotors, master cylinders, valves, fittings and brake lines for motorsport, street-performance and specialized brake systems.
Technical Details
- Manufacturer part number: 120-11131. Component: Forged Superlite Internal caliper.
- Supply: one brake caliper, not a complete axle brake kit. Match the mating rotor, pads, bracket and connection hardware to the installation.
- Bore configuration 1.62 inches across 4 pistons; piston material: stainless steel. Hydraulic effective area: 4.12 square inches.
- Bracket interface: 3.50-inch lug centers with 0.45-inch holes. Specified mount height: 2.85 inches; orientation: universal.
- Piston dust boots: not fitted.
- Hydraulic inlet thread: 1/8-27 NPT. Use a fitting with the correct thread and sealing seat.
- Nominal rotor width 0.81 inch; compatible outside diameter from 11.75 through 13.06 inches. Specified rotor-width limits: 0.75–0.84 inch.
- Pad fit is type 7420. Match the pad dimensions and compound to the rotor and intended braking conditions.
- Caliper weight: approximately 5.2 lb.
- Construction and surface: forged aluminum housing finished in Type III anodize.
Fitment & Compatibility
Select this piston area to suit master-cylinder output and axle balance. Confirm the 3.50-inch lug pattern and narrow-channel offset before replacing another Superlite model.
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.
