Wilwood 170-0259 is a standard drag hat from the HD Series of fixed mount rotor hats, made from aluminum alloy with a black E-coat finish. It has a 1.710 in offset, a 3.06 in center register and weighs 1.500 lbs. It has threaded 5/16-18 rotor mount holes on an 8 x 7.00 in bolt circle for use with through-hole mount rotors. The wheel flange is drilled for 5 x 4.50 in, 5 x 4.75 in, and 5 x 5.00 in bolt circles. The straight bell design with a flanged rotor mount ring gives radial clearance between the caliper body and the hat.
Notes:
- Application note for this hat: General Drag Applications.
- Hat bolt kit: 230-0233D.
- The 3.06 in diameter register has a counterbore for a register ring.
Specifications:
- Brand: Wilwood
- Part Number: 170-0259
- Hat Type: Drag Hat - Standard
- Mount Hole Type: Threaded
- Rotor Bolt Circle (in): 8 x 7.00
- Hat Offset (in): 1.710
- Center Reg. (in): 3.06
- Material: Aluminum
- Mount Style: Fixed Mount
- Finish: Black E-Coat
- Weight (lbs): 1.500
- Hat Bolt Circle 1: 5 X 4.50
- Hat Bolt Circle 2: 5 X 4.75
- Hat Bolt Circle 3: 5 X 5.00
- Application Note: General Drag Applications
- Hat Bolt Kit Part #: 230-0233D
- Rotor Mount Hole Size (in): 5/16-18
- Clearance I.D. (in): 6.14
- Face Thickness (in): 0.25
- Hat Stud Diameter - BC 1 (in): 0.520
- Hat Stud Diameter - BC 2 (in): 0.520
- Hat Stud Diameter - BC 3 (in): 0.520
FAQ
What rotor bolt circle does Wilwood 170-0259 use?
It uses an 8 x 7.00 in rotor bolt circle with threaded 5/16-18 mount holes for through-hole mount rotors.
What wheel bolt patterns does the hat accept?
The wheel flange is drilled for 5 x 4.50 in, 5 x 4.75 in, and 5 x 5.00 in bolt circles.
What is the offset of the 170-0259 hat?
The hat offset is 1.710 in, with a 3.06 in center register, a 6.14 in clearance I.D. and a 0.25 in face thickness.
Which hat bolt kit goes with this hat?
The hat bolt kit for 170-0259 is Wilwood 230-0233D.
What is the hat made of?
It is aluminum with a black E-coat finish and weighs 1.500 lbs.
