ZZ1 and ZZR Zero Offset® Brake Kits™
We started designing these Zero Offset® brake kits back in the late 90's to move the wheels where they were with stock drum brakes. There is nothing that looks worst that a vintage car with late model looking wheels. Every muscle care needs the reverse rim look not matter what diameter wheels you are have. We have since developed our own design hubs and spindles to solve the problems associated with aftermarket and stock spindles and hubs. We are leaders not followers so, we started with a clean sheet of paper. You no longer have to wait for quality brake related parts. We have filed our patents on only a few inventions. As our patents are filed, the parts will be available to the public. All parts are made and assembled in the USA by American citizens.
ZZ1 Kits: Zero Offset® aluminum hubs, black anodized aluminum hats, 1.10", 1.25" and 1.38" thick slotted and balanced rotors, bearings, seals and grade 8 hardware for safety wire. 3" wheels studs available upon request at no additional charges. Kits require our Zero Offset® spindles and caliper brackets made for the 3.5", 5.25" and radial mount. Designed for all Wilwoods and specific AP Racing, Coleman and Outlaw calipers. We will custom build brackets to fit your existing calipers upon request. (See Caliper Brackets)
We made the spindles fit the brake kits, instead of making the brake kit fit the spindles. Our Patent Pending design Zero Offset® spindles come with a 1" to 2" drop and utilizes custom hubs with 25% larger bearings. Guaranteed give you the most tire clearance with our "Less than Zero" track width. All this design on the latest CAD programs for optimum suspension and steering.
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Calipers: Zero Offset®, AP Racing, CR, Outlaw, SSBC, Wilwood |
| DIA |
11.75
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11.75
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11.75
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12.19
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12.19
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12.19
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13.06
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13.06
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13.06
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14.0
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14.0
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14.0
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15.0
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15.0
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16.0
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16.0
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| WIDE |
1.10
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1.25
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1.38
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1.10
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1.25
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1.38
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1.10
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1.25
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1.38
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1.10
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1.25
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1.38
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1.25
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1.38
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1.25
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1.38
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| AP4 |
Yes |
Yes |
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Yes |
Yes |
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Yes |
Yes |
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| AP4R |
Yes |
Yes |
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Yes |
Yes |
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Yes |
Yes |
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| CS3 |
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Yes |
Yes |
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Yes |
Yes |
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Yes |
Yes |
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| CS4 |
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Yes |
Yes |
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Yes |
Yes |
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Yes |
Yes |
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| DP6 |
Yes |
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Yes |
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Yes |
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| FS4 |
Yes |
Yes |
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Yes |
Yes |
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Yes |
Yes |
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| FS4S |
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Yes |
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Yes |
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Yes |
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| FS4ST |
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Yes |
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Yes |
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Yes |
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| GN3 |
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Yes |
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Yes |
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Yes |
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Yes |
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| GN3T |
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Yes |
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Yes |
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Yes |
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Yes |
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| GN36 |
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Yes |
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Yes |
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Yes |
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Yes |
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| GN36T |
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Yes |
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Yes |
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Yes |
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Yes |
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| SL4R |
Yes |
Yes |
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Yes |
Yes |
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Yes |
Yes |
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Yes |
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| SL4S |
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Yes |
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Yes |
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Yes |
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Yes |
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| SL4ST |
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Yes |
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Yes |
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Yes |
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Yes |
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| SL6 |
Yes |
Yes |
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Yes |
Yes |
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Yes |
Yes |
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Yes |
Yes |
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| SL6N |
Yes |
Yes |
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Yes |
Yes |
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Yes |
Yes |
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Yes |
Yes |
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| SL6NT |
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Yes |
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Yes |
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Yes |
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Yes |
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| SL6R |
Yes |
Yes |
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Yes |
Yes |
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Yes |
Yes |
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Yes |
Yes |
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| SL6RT |
Yes |
Yes |
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Yes |
Yes |
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Yes |
Yes |
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Yes |
Yes |
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| TC6R |
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Yes |
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Yes |
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Yes |
| W4A |
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Yes |
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Yes |
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Yes |
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Yes |
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| W6A |
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Yes |
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Yes |
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Yes |
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Yes |
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| ZOC4 |
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Yes |
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Yes |
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Yes |
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| ZOC4R |
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Yes |
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Yes |
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Yes |
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| Add Alpha Code in left hand column as suffix to part number. |
| Caliper Specifications |
| Caliper |
# Pistons |
Piston Area |
Pad Area |
Pad Volume |
| AP4 1.875/1.75 |
4 |
5.18 |
8.2 |
4.9 |
| AP4 1.375/1.375 |
4 |
3.00 |
8.2 |
4.9 |
| CS3 1.75/1.62 |
4 |
4.80 |
11.0 |
6.0 |
| C34 2.00/1.875 |
4 |
6.28 |
11.1 |
13.2 |
| DP6 1.38/1.0/1.0 |
6 |
3.08 |
7.3 |
2.4 |
| DP6 1.62/1.12/1.12 |
6 |
4.05 |
7.3 |
2.4 |
| DP6 1.62/1.38/1.38 |
6 |
5.06 |
7.36 |
2.4 |
| FS4 1.75/1.75 |
4 |
4.80 |
8.2 |
4.9 |
| FSFS 1.88/1.75 |
4 |
5.18 |
8.2 |
2.4 |
| GN3 1.75/1.38/1.38 |
6 |
5.40 |
11.3 |
6.9 |
| SL4R 1.38/1.12 |
6 |
2.49 |
8.2 |
4.9 |
| SL4R 1.25/1.12 |
6 |
2.22 |
8.2 |
4.9 |
| SL4S 1.88/1.75 |
6 |
5.19 |
8.2 |
4.9 |
| SL6 1.62/1.12/1.12 |
6 |
4.04 |
8.2 |
4.9 |
| SL6N 1.62/1.12/1.12 |
6 |
4.04 |
8.2 |
3.8 |
| SL6R 1.62/1.12/1.12 |
6 |
4.04 |
8.2 |
3.8 |
| TC6R 1.62/1.12/1.12 |
6 |
4.04 |
13.0 |
6.0 |
| W4A 1.62/1.38 |
4 |
3.56 |
11.0 |
5.2 |
| W4A 1.88/1.62 |
4 |
4.84 |
11.0 |
5.2 |
| W6A 1.62/1.12/1.12 |
6 |
4.04 |
11.0 |
5.2 |
| W6A 1.75/1.38/1.38 |
6 |
5.40 |
11.0 |
5.2 |
| ZOC 1.875/1.75 |
4 |
5.18 |
8.2 |
4.9 |
| ZOR 1.375/1.375 |
4 |
3.00 |
8.2 |
4.9 |
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