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Brake Pads (street & track) for StopTech calipers
Please click on your caliper below to view
compatible aftermarket pads: |
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ST-60
(6-piston) |
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ST-40
(4-piston) |
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ST-45
(4-piston)
This caliper looks identical
to the ST-40, but pads for that caliper will not fit. Only a few 15" front
kits and some rear applications, like the Nissan 350Z and Infiniti G35 use
this caliper. If you need help identifying your caliper, call or email
Zeckhausen Racing for assistance or simply look up your vehicle on our web
site. Each StopTech kit description clearly identifies which calipers
are used. |
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ST-22
(2-piston) |
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ST-20
(2-piston) |
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Replacement AeroRotors
Each StopTech AeroRotor includes a
hat installation kit with
replacement drive pins, screws, anti-rattle washers, Loctite 290 thread
locking compound, and an instruction sheet. More comprehensive
instructions with photos may be found here:
Instructions for replacing StopTech rotors
Listed
prices are per rotor. Left and right rotors required.
Many customers who track their cars purchase a second set of rotors and hats as spares. If a
rotor becomes too worn or cracks, it can easily be swapped at the track with
a new rotor/hat assembly. After the event, the old assembly
may be freshened with new rotors, drive pins, bushings, and washers at a time
and place of your convenience. Taking apart and reassembling brake
components still hot from the track, between run sessions, often in grueling
heat or pouring rain does not contribute to the enjoyment of motorsports!
Save yourself the hassle and order a spare set of hats or a complete
hat/rotor assembly. Contact
Zeckhausen Racing for pricing.
To order replacement AeroRotors, click here:
 and then select the proper
size. For pricing and availability of replacement hats or complete
hat/rotor combinations, call us at (800)222-8893.
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Slotted (Left / Right)
282mm x 25mm
328mm x 28mm
332mm x 32mm
345mm x 28mm
355mm x 32mm
355mm x 35mm
380mm x 32mm
380mm x 35mm
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$175
$230
$250
$255
$260
$270
$280
$290 |
31.011.1101/1102
31.326.1101/1102
31.536.1101/1102
31.626.1101/1102
31.737.1101/1102
31.747.1101/1102
31.836.1101/1102
31.846.1101/1102 |
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Drilled (Left / Right)
328mm x 28mm
332mm x 32mm
345mm x 28mm
355mm x 32mm
355mm x 35mm
380mm x 32mm
380mm x 35mm
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$290
$310
$315
$325
$335
$345
$365 |
31.326.1201/1202
31.536.1201/1202
31.626.1201/1202
31.737.1201/1202
31.747.1201/1202
31.836.1201/1202
31.846.1201/1202 |
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1-piece 355mm x 32mm rotors for BMW E46 M3 front 14" big brake
kits - SLOTTED
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L-$235
R-$235 |
30.137.1113
30.137.1114 |
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1-piece 355mm x 32mm rotors for BMW E46 M3 front 14" big brake
kits - DRILLED
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L-$295
R-$295 |
30.137.1213
30.137.1214 |
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Replacement AeroHats
Many customers who track their cars regularly, purchase
a second set of rotors and hats as spares. If a rotor becomes too
worn, it can be swapped at the track with a complete new rotor/hat assembly.
After the event, the old assembly may be sent to Zeckhausen Racing to be
disassembled, inspected, and freshened up with new rotors, drive pins,
bolts, and washers for a nominal charge. Or, you may install
new rotors and hardware yourself at a time and place of your convenience.
Taking apart and reassembling brake components that are still hot from the
track, often in grueling heat or pouring rain, does not contribute to the
enjoyment of motorsports! Save yourself the hassle and order a spare
set of hats and rotors (pre-assembled at no charge).
Hats should be considered wear items, just like rotors
and pads. For street driven cars, old hats may be reused several times
with new rotors, although winter driving on salty roads may accelerate
corrosion. For track cars, depending on the severity of duty,
the hats may need to be replaced much sooner. Each time the rotors and
drive hardware are replaced, the installer should closely inspect the hats
for any sign of damage or cracking, especially around the rotor mounting
holes. If it doesn't look right, be safe and replace the hats!
Hats are specific to each big brake kit application.
Since StopTech's hats are directional for improved airflow, there is a left
and a right part number. Contact Zeckhausen Racing for the correct
part numbers for your car's big brake kit. Prices shown are
approximate, since some applications require more complicated (and thus more
expensive) hat designs.
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AeroHats each (L&R
required)
For 328mm x 28mm rotors
For 328mm x 35mm rotors
For 332mm x 32mm rotors
For 355mm x 32mm rotors
For 355mm x 35mm rotors
For 380mm x 32mm rotors
For 380mm x 35mm rotors
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$200
$210
$220
$235
$250
$275
$300 |
Typical pricing
Call or email for part numbers and exact pricing. Price
varies by application.
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Titanium Backing
Plates
Racers with competition tires and/or heavy, powerful cars, may experience fluid fade and destruction of
caliper dust boots, even after
the installation of a big brake kit. In order to control the transfer
of heat, some race pads use special materials which act as insulators
between the pad friction material and the backing plate.
These titanium backing plates, placed between the pad and
the caliper, dramatically reduce heat transfer, preventing dust boots from vaporizing and reducing the
temperature of the brake fluid. They are especially effective when the
pads have worn by 50 percent or more, since worn pads do not provide as much
thermal insulation between the rotors and the calipers.
To order titanium backing plates on-line, click here:
and then select the correct
part for your caliper. Or, feel free to call us at (800)222-8893.
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Titanium
Backing
Plates - Set of four for ST-40 calipers Titanium
Backing
Plates - Set of four for ST-60 calipers
(1 set required per pair of calipers)
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$93
$93
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68-180-0372 68-180-1247 |
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Caliper Rebuild Parts
For street applications, most calipers will
never have to be rebuilt for the life of the vehicle. However, under
heavy track use, dust boots and pressure seals may eventually become
brittle and crack. This can result in brake fluid weeping past the
pressure seals or even loss of brake pressure. For this reason, it is
suggested that club racers rebuild their calipers at the end of each racing
season. Some professional race teams replace caliper seals after every
race. For most customers, only pressure seals and dust boots will be
required. However, under very severe racing conditions, especially if
race pads have been worn all the way to the steel backing plates, there may
be distortion or cracking of the pistons. If any cracks or distortion
are observed, you should replace the pistons. Calipers on race cars
should be inspected regularly and components replaced as necessary.
Please carefully measure
caliper piston diameter before ordering. Remove piston from caliper
before measuring, as the portion that extends beyond the dust boot is
smaller in diameter than the main body of the piston. Thus, an
accurate measurement cannot be obtained while the piston is still installed. |
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Dust Boot & Pressure Seal Kit
Each kit includes two dust boots and two
pressure seals. Order one kit per 2-piston
caliper, two kits per 4-piston caliper, 3 kits per 6-piston caliper, and 4
kits per 8-piston caliper.
For a StopTech ST-40 4-piston caliper
with 36 and 40mm pistons, you should order one each of part numbers
143.99036 and 143.99040 to rebuild one caliper.
Save $7 per rebuild kit, over the cost of
purchasing individual parts. Save $56 total when rebuilding four
4-piston calipers! |
$25 each
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28mm = 143.99028
30mm = 143.99030
34mm = 143.99034
36mm = 143.99036
38mm = 143.99038
40mm = 143.99040
42mm = 143.99042
44mm = 143.99044
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Individual Pressure Seals
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$10 each
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28mm = 753.99000
30mm = 753.99001
34mm = 753.99002
36mm = 753.99003
38mm = 753.99004
40mm = 753.99005
42mm = 753.99006
44mm = 753.99007
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Individual Dust Boots
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$6 each
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28mm = 750.99000
30mm = 750.99001
34mm = 750.99002
36mm = 750.99003
38mm = 750.99004
40mm = 750.99005
42mm = 750.99006
44mm = 750.99007
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Caliper Pistons for ST-40, ST-45
Individual replacement pistons are available
in the following sizes: 28, 30, 34, 36, 38, 40, 42, and 44mm.
Pistons are 32mm in height.
The 4th and 5th digits of the part number
designate the piston diameter in millimeters. For example, part number
41-528-0001 is a 28mm piston.
Order as many pistons as
required to rebuild your caliper.
Although photo shows two
pistons, they are sold individually. |
$25 each
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41.528.0001
41.530.0001
41.534.0001
41.536.0001
41.538.0001
41.540.0001
41.542.0001
41.544.0001 |
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Caliper Pistons for ST-20
Individual replacement pistons are available
in the following sizes: 34, 36, 38, 40, 42, and 44mm.
Pistons are 40mm in height.
The 4th and 5th digits of the part number
designate the piston diameter in millimeters. For example, part number
41-534-0002 is a 34mm piston.
Order as many pistons as
required to rebuild your caliper.
Although photo shows two
pistons, they are sold individually. |
$25 each
Special Order |
41.534.0002
41.536.0002
41.538.0002
41.540.0002
41.542.0002
41.544.0002 |
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Caliper Pistons for ST-22, ST-60
Individual replacement pistons are available
in the following sizes: 28, 30, 34, 36, 38, 40, and 42mm.
Pistons are 29.5mm in height.
The 4th and 5th digits of the part number
designate the piston diameter in millimeters. For example, part number
41-528-0003 is a 28mm piston.
Order as many pistons as
required to rebuild your caliper.
Although photo shows two
pistons, they are sold individually. |
$25 each
Special Order |
41.528.0003
41.530.0003
41.534.0003
41.536.0003
41.538.0003
41.540.0003
41.542.0003 |
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Miscellaneous Hardware
Zeckhausen Racing keeps all the little bits
and pieces in stock. So if something wears out or gets misplaced while
you're changing pads at the track, just give us a call at (800)222-8893 or
order on-line by clicking here:
|
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Jet
Nuts (QTY 2)
7/16" self
locking, gold cadmium plated nuts are used to attach StopTech calipers to
their mounting brackets.
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$15/pair |
40.440.0001K |
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Jet
Nut Washers (QTY 2)
18mm OD, 12mm
ID washers are used underneath Jet nuts
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$1/pair |
40.220.0001K |
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Banjo Bolt
M10 x 1.0mm
banjo bolt for attaching brake line to StopTech caliper
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$5 each |
41.699.2331 |
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Crush Washers (QTY 4)
10mm copper
crush washers for use with StopTech calipers
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$3 for 4 |
41.604.4516K |
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Bleed Screw
M10 x 1.0mm
bleed screw for StopTech caliper
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$3.75 each |
41.000.0003 |
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Pad Wear Sensor
Adapt your
vehicle's pad wear monitoring system to work with StopTech ST-40 calipers.
Order the same quantity as the number of sensors on your car. Includes
two weather-resistant splice connectors.
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$25 each |
68.000.0008 |
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GiroDisc Caliper Pad & Piston Spreading Tool
Save time and protect your caliper from cocked
pistons when changing pads with this unique tool. A must for anyone
who changes pads with regularity. Works with most 2, 4, 6, and
8-piston calipers. I have one of these amazing tools in my own shop
and was recently timed at less than one minute to change the pads on
a Porsche 993 TT caliper. (The wheel was already removed.) This
is our new favorite tool. |
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Click here for details and more photos |
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Pad & Piston
Spreader
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$225
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PST-01 |
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