Wilwood Rear SN95 Mustang Conversion Hat, 1.050-Inch Offset

A 1.050-inch offset locates this Wilwood SN95 Mustang rear hat. Check its 2.78-inch register, five-hole flange and eight-bolt rotor ring. Wilwood Engineering’s work covers the design and manufacture of disc brake systems for motorsport, street-performance and specialized applications. Bill Wood founded the company in 1977 in a business now based in Camarillo, California. Its calipers, master cylinders, brake rotors, brake lines, valves and fittings must be selected around the complete system.

Technical Details

• Manufacturer part number: 170-8589
• Internal clearance diameter: 6.02 inches
• Mounting-face thickness: 0.28 inches
• Hub-side hole clearance diameter(s): 0.580 inches; these are clearance dimensions, not wheel-stud thread sizes
• Manufacturer-listed attachment hardware reference: 230-8390; verify the specific rotor and attachment arrangement before ordering hardware
• Component: Short-Offset Brake Rotor Hat
• Material: Aluminum
• Surface finish: Black E-Coat
• Rotor mounting method: Fixed Mount
• Position in the specified brake assembly: Rear
• Hat offset: 1.050 inch
• Rotor attachment interface: 8 x 7.00 inches; rotor attachment, separate from the hub flange
• Hub-flange mounting/clearance pattern(s): 5 X 4.50 inches; verify the actual hub and wheel-stud clearance
• Center register diameter: 2.78 inches
• Rotor mounting hole/thread designation: 5/16-18

Fitment & Compatibility

Use this replacement only within the specified Ford Mustang SN95 brake conversions. Compare the hub, caliper position and rotor attachment to the complete assembly drawing. Select the rotor and attachment hardware separately for the documented assembly. Follow the installation drawing for engagement and clearance at every mounting point.

Manufacturer Reference

Wilwood component specifications and dimensions

PMB Performance has over 20 years of brake-parts experience. Send the installed component details if you need help checking this replacement.