Fitment questions?
Call (855) 786-7101 or text (801) 304-3141. We check fitment by VIN.
Product details
The 0.38-inch-width Dynalite Single Floater is a compact one-piston caliper with a sliding outboard section. A 1.75-inch piston supplies hydraulic application, and the floating arrangement carries force to the opposite pad. This body uses the same general compact format as narrower DLS floaters but requires its own rotor-width match. Founded in 1977 by Bill Wood, Wilwood Engineering is based in Camarillo, California. Its disc brake systems and components serve motorsport, street-performance and specialized applications. Calipers, brake rotors, master cylinders, valves, fittings and brake lines are among its products, selected according to the complete brake system’s requirements.
Technical Details
- Manufacturer part number: 120-3277
- Caliper type: Dynalite Single Floater
- Construction: Billet Aluminium
- Finish: Type III Anodize
- Piston bores: 1.75 inches
- Piston type: Stainless
- Piston count: 1
- Published piston area: 2.40 square inches
- Dust boots: No
- Nominal rotor width: 0.38 inch
- Rotor thickness limits: 0.32–0.38 inches
- Rotor diameter limits: 6.00–13.00 inches
- Mounting style: Floating
- Handedness: Not restricted to one side; correct mounting and bleed orientation required
- Mounting centers: 3.28 inches
- Mount height: 0.81 inch
- Hydraulic inlet thread: 1/8-27 NPT
- Required pad shape: 6812 / 7012
- Published pad area: 3 square inches
- Published pad volume: 1.1 cubic inches
- Manufacturer-listed component weight: 1.6 lb
Fitment & Compatibility
Measure the rotor and verify the 0.25–0.38-inch thickness envelope rather than assuming interchangeability with a quarter-inch version. The receiving mount needs the correct slide geometry and 3.28-inch spacing, with room for the caliper’s travel. Check pad sweep, hydraulic fittings and wheel clearance throughout the intended operating movement.
PMB Performance brings over 20 years of brake and parts experience to selection questions. Send the existing caliper reference and brake-package details for help checking compatibility.
