Fitment questions?
Call (855) 786-7101 or text (801) 304-3141. We check fitment by VIN.
Product details
Select this anodized right Wilwood FNSL6R-ST brake caliper by the actual radial mounting geometry, not just its appearance. The 6-piston unit uses 1.75/1.25/1.25-inch bore dimensions and is configured around a 1.25-inch-wide rotor. For motorsport, street-performance and specialized braking applications, Wilwood Engineering designs and manufactures disc brake systems and their individual components. Founded by Bill Wood in 1977 and based in Camarillo, California, Wilwood supplies a range encompassing calipers, rotors, master cylinders, valves, fittings and brake lines, all selected to match the complete system. The Forged Narrow Superlite 6R-ST uses radial mounting and six Thermlock insulated pistons. Radial mounting permits bracket adjustment but still requires accurate rotor centering, mounting height and pad sweep. Check the differential bores when matching an existing brake system.
Technical Details
- Manufacturer part number: 120-15776
- Component: Forged Narrow Superlite 6 Radial Mount; one individual caliper
- Placement: Right
- Construction and finish: Forged aluminum; Type III Anodize
- Mounting interface: Radial; mounting centers 5.98 inches
- Mounting-hole diameter: 0.39 inches
- Mount height: 1.45 inches
- Hydraulic inlet thread: 1/8-27 NPT
- Nominal rotor width: 1.25 inches
- Rotor width range: 1.19–1.25 inches
- Rotor diameter range: 11.75–14.00 inches
- Caliper weight reference: 4.9 lb
- Pistons: 6; Thermlock insulated; bore dimensions 1.75/1.25/1.25 inches
- Hydraulic piston area: 4.86 square inches
- Dust boots: No
- Brake pad shape: 7416; shape number does not specify a friction compound
Fitment & Compatibility
Compare the caliper drawing with your radial bracket before ordering. The 5.98-inch mounting centers and 1.75/1.25/1.25-inch bores must suit the installed rotor offset and hydraulic system. Use the right-hand caliper and keep the bleed arrangement in the specified orientation. A suitable pad sweep and clearance inside the wheel must be verified independently of rotor width.
Wilwood caliper specifications
For help selecting the correct caliper, contact PMB Performance with the brake package and measured mounting arrangement. Our over 20 years of parts and fitment experience supports a configuration check before purchase.
