Fitment questions?
Call (855) 786-7101 or text (801) 304-3141. We check fitment by VIN.
Product details
The anodized D154 combines two 1.62-inch stainless pistons with a nominal 0.81-inch rotor-width channel. It retains 4.12 square inches of piston area in a thinner-rotor floating body. 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: 120-11873. Component: D154 Single & Dual Piston Floater caliper.
- Supply: one brake caliper, not a complete axle brake kit. Match the mating rotor, pads, bracket and connection hardware to the installation.
- Hydraulic inlet thread: M10 x 1.50. Use a fitting with the correct thread and sealing seat.
- Bracket interface: 5.46-inch floating centers with 0.69-inch holes. Specified mount height: 0.37 inches; orientation: universal.
- Construction and surface: forged aluminum housing finished in Type III anodize.
- Pad fit is type D154. Match the pad dimensions and compound to the rotor and intended braking conditions.
- Nominal rotor width 0.81 inch; compatible outside diameter from 11.00 through 12.19 inches. Specified rotor-width limits: 0.70–0.81 inch.
- Piston dust boots: not fitted.
- Bore configuration 1.62 inches across 2 pistons; piston material: stainless steel. Hydraulic effective area: 4.12 square inches.
- Caliper weight: approximately 4.6 lb.
Fitment & Compatibility
Use the 5.46-inch GM metric mounting format with a correctly matched rotor and D154 pads. Check the line's banjo thread and seal style as well as the channel width.
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.
