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Wilwood's Dynamic Rotor Mounting System provides the most accurate and durable method of isolating potential pad engagement harmonics and the in-service thermal variances that occur between the mounting hat or plate and the rotor. The Wilwood system places the "float" within the hat or plate, and then allows the use of standard through-hole mount rotors. The ability to use through-hole mount rotors provides increased durability, improved accuracy, and a wider variety of selections over slotted mount hole rotor designs. Wilwood's square faced T-nuts provide a substantially wider load-bearing surface as compared to the round pin and bobbin type mounts. Each rotor bolt and T-nut kit includes an installation tool that correctly positions the T-nut during the assembly process. This assures bind-free operation right from the start. The results are felt with truer running, smoother engagement, extended reliability, and consistent pedal feel after every lap.
Hat Features:
GT Series Dynamic Mount Hats are available in a variety of configurations for use with racing hubs, flanged axles, and several OE applications. Straight bell hats are used for the 6.75" and 7.00" rotor mount patterns. Hats for the larger diameter rotor mount patterns will be the flared bell design. Use the charts below to match the rotor mount circle, lug pattern, offset, and the other dimensions necessary for each application.
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| Ordering Information, GT Series Dynamic Mount Rotor Hats, Specifications, Part Number: | |||||||||
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Rotor Bolt Circle
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Wheel Lug Pattern
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Hat Offset
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Stud Hole Diameter
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Center Hole I.D.
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Face Thickness
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Clearance
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Mount Hole
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Hat Part Number
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Bolt and T-Nut Kit Number
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12 x 9.18"
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5 x 4.75"
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0.38"
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.52"
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2.78"
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.30"
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8.14"
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T-SLOT
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170-8074
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230-6656
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12 x 8.75"
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5 x 5.00"
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2.12"
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.64"
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3.06"
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.25"
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6.40"
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T-SLOT
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170-6583
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230-6656
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12 x 8.75"
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5 x 5.00"
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1.88"
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.64"
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3.06"
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.25"
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6.40"
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T-SLOT
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170-7652
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230-6656
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12 x 8.38
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5 x 5.00"
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2.12"
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.64"
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3.06"
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.25"
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6.40"
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T-SLOT
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170-6518
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230-6656
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12 x 8.38
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5 x 5.00"
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1.88"
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.64"
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3.06"
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.25"
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6.40"
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T-SLOT
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170-7650
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230-6656
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12 x 8.38
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Undrilled
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2.12"
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.64"
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-
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.25"
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6.40"
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T-SLOT
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171-7785
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230-6656
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12 x 7.00"
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5 x 5.00"
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2.12"
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.64"
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3.06"
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.25"
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6.40"
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T-SLOT
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170-6580
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230-6656
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12 x 7.00"
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5 x 5.00"
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1.88"
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.64"
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3.06"
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.25"
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6.40"
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T-SLOT
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170-7651
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230-6656
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12 x 6.75"
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5 x 5.00"
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2.12"
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.64"
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3.06"
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.25"
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6.12"
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T-SLOT
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170-6517
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230-6656
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12 x 6.75"
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5 x 5.00"
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1.88"
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.64"
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3.06"
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.25"
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6.12"
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T-SLOT
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170-7400
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230-6656
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12 x 6.75"
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5 x 5.00"
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1.74"
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.64"
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3.06"
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.25"
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6.12"
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T-SLOT
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170-7399
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230-6656
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8 x 8.50"
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5 x 5.00"
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2.12"
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.64"
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3.06"
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.25"
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6.40"
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T-SLOT
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170-6582
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230-6709
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8 x 7.00"
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5 x 5.00"
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2.12"
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.64"
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3.06"
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.25"
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6.64"
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T-SLOT
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170-6581
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230-6710
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8 x 7.00"
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5 x 4.75/5.00"
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1.96"
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.70"
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3.06"
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.25"
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6.40"
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T-SLOT
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170-7662
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230-7666
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8 x 7.00"
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5 x 4.50/4.75/5.00"
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1.96"
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.52"
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3.06"
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.25"
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6.40"
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T-SLOT
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170-7661
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230-7666
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8 x 7.00"
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5 x 4.50/4.75/5.00"
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1.41"
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.52"
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3.06"
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.25"
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6.32"
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T-SLOT
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170-7694
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230-7666
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