Fitment questions?
Call (855) 786-7101 or text (801) 304-3141. We check fitment by VIN.
Product details
Black Anodized finish and 1.88-inch bores distinguish this Wilwood GNX5 configuration. It is a 4-piston brake caliper for 1.00-inch-wide rotors, with 7.00-inch lug attachment centers. Wilwood Engineering was founded by Bill Wood in 1977 and is based in Camarillo, California. The company makes disc brake systems and components, including calipers, rotors, master cylinders, valves, fittings and brake lines for motorsport, street-performance and specialized applications.
The GNX5 four-piston caliper uses a 7.00-inch lug pattern, stainless pistons and internal high-temperature seals. Match its type 9115 pad outline and rotor geometry to the brake assembly rather than selecting by appearance.
Technical Details
- Manufacturer part number: 120-14344
- Component: Wilwood GNX5; one caliper
- Body and finish: Forged aluminum; Black anodized
- Dust boots: Yes
- Piston arrangement: 4 pistons; 1.88-inch bores; stainless steel
- Hydraulic piston area: 5.56 square inches, as specified by Wilwood
- Mounting: universal side configuration; Lug; 7.00-inch centers; 0.45-inch mounting holes
- Mount height: 2.41 inches
- Fluid inlet: 1/8-27 NPT
- Brake fluid: DOT 3, DOT 4 or DOT 5.1; do not use DOT 5 fluid
- Pad shape: Wilwood type 9115; compound selected separately
- Rotor width: 1.00-inch nominal; 0.88–1.00-inch permitted range
- Rotor diameter range: 11.75–13.06 inches
Fitment & Compatibility
Use the intended rotor and bracket dimensions to establish compatibility. The chosen pad compound, master-cylinder volume and brake balance must be considered with this caliper’s piston sizes.
This listing covers one caliper. Match the brake pads, rotor, hose and mounting arrangement to the complete brake system.
Ask PMB Performance for help comparing this caliper with your existing assembly. Our over 20 years of experience are most useful when you provide rotor size, mounting details and the current piston configuration.
