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Product details
For the specified Packard conversion, this front hub accepts a vented-rotor adapter and separate press-on steel cap. Its two wheel patterns do not replace the need to compare the spindle and bearing arrangement. Wilwood Engineering, founded in 1977 by Bill Wood, is based in Camarillo, California. The company designs and manufactures disc brake systems and supplies master cylinders, calipers, brake rotors, valves, fittings and lines for motorsport, street-performance and specialized installations. Select each component around the complete system’s requirements.
Technical Details
- Manufacturer part number: 270-12730
- Position in the specified assembly: Front
- Material: Aluminum
- Finish: Bare
- Wheel mounting pattern(s): 5 x 4.75, 5 x 5.00 inches; separate from rotor or drive-flange attachment
- Wheel-stud thread: 1/2-20
- Rotor mounting arrangement: Adapter
- Rotor interface: 5 x 3.88; this is not the wheel bolt circle
- Compatible rotor-adapter output interface(s): 6 x 6.25, 8 x 7.00; match the actual adapter and rotor
- Product-page drawing references (inches): A = 1.770; D = 2.749; H = 1.390; M = 3.490; N = 2.370; P = 3.020; Q = 0.250. Use the manufacturer drawing for the reference faces.
- Manufacturer bearing / race references: Inner Bearing: 370-12734; Outer Bearing: 370-12735; Inner Hub Bearing - Race: 370-12731; Outer Hub Bearing - Race: 370-12732. References identify compatible service parts and do not mean all bearings are included.
- Related assembly part reference(s): 300-3307; 300-3099; check the kit contents and obtain any separately required parts
- Package: One hub; the compatible rotor, rotor adapter or hat and its attachment hardware are selected for the complete conversion
- Bearing cap: Press-on steel cap 270-12403 available separately
- Component: Hub - Vented Rotor Offset
Fitment & Compatibility
Check wheel-flange position against the spindle and rotor mounting faces. Hubs for the same vehicle can use different offsets or bearing combinations and should not be substituted on model name alone.
Wilwood component specifications · Manufacturer reference DS719
Our team at PMB Performance has over 20 years of parts and fitment experience. The existing component number and brake-system details help us check the match.
