Hat No: 170-14991


Call (805) 388-1188
Big Brake Dynamic Lug Drive - Short Offset
Prod #: 170-14991
Price: $239.93
Big Brake Dynamic Lug Drive - Short Offset 170-14991

Hat Dimensions
Mount Hole Type Lug
Rotor Bolt Circle (in) 12lug-7.77
Hat Offset (in) 0.290
Center Reg. (in) 2.78
Hat Type
Material Aluminum
Mount Style Dynamic Lug Mount
Finish Type III Anodize
Weight (lbs) 3.250
Bolt Circle Dimensions
Hat Bolt Circle 1 5 X 4.50
Hat Bolt Circle 2 5 X 4.75
Hat Bolt Circle 3
UPC Number
UPC 889545086065
Application Info
Application Note 2005-13 Corvette
Hat Bolt Kit Part # 300-14912
Application Note
Application Note
Big Brake Dynamic Lug Drive - Short Offset - Product Description

Wilwood's new Big Brake Dynamic Lug Drive hats incorporate a new rotor mounting system that eliminates the rotor bolts and allows the rotors to move independently of the hats as they expand and contract through heat cycles. All thermally generated stress is removed from the rotor attachment points. The rotors stay flatter and run truer. Brake response and pedal feel remain consistent. Pad knock back and rotor drag are eliminated. The hats are no longer distorted by stresses generated by thermal expansion and shrinkage of the rotors. All problems associated with thermal distortion, including bolt hole alignment issues when trying to re-install new rotors on a previously used hat, are eliminated.





Rotor Hat Dimensions

Additional Hat Dimensions
Rotor Mount Hole Size (in) N/A
Shoe I.D. (in)
Clearance I.D. (in) 6.70
Face Thickness (in) 0.30
Hat Stud Diamenter - BC 1 (in) 0.520
Hat Stud Diamenter - BC 2 (in) 0.520
Hat Stud Diamenter - BC 3 (in)
Additional Notes
300-14912 Dynamic Lug Mount Clip & Snap Ring kit are required for rotor mounting.

Wilwood Compatible Rotors



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