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Sensor Kits for Holley EFI systems
Drive Shaft Speed - G-Meter - Shock Travel - Pressure - Front Wheel Speed
EGT kits 16 lug reluctors- Ride Height- Liquid Temp-Clutch
NEW EFI Sensors
Shock sensors in 10", 6", 4", 3" (in addition to 8")
Click here for info
IR tire/track temp
Click here for info
These sensor kits will work on virtually any EFI or data system. Many have been installed on Fueltech, AEM, Fuel Tech, XFI and others.
| S-37x-H |
Holley Shaft
Speed Kit - 8 magnet |
WEB Price
$215 |
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Hall effect sensor, bracket, collar, L bracket, 12' shielded cable, 3 Holley ECU terminals for your P2A plug, and
instruction sheet.
Kits without collar available below.
NOTE: 1.812 collars are $15 additional cost.
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If you have an Ford 8.8 you have 4 options:
- Get a Mark Williams yoke for 1350 joints and order my kit with 2.187 collar
- Get a Strange yoke for 1350 and their collar.
- Put collar/sensor on the trans slip yoke
- If you have a strange yoke with a 2.500 step get the 16 lug reluctor kit below
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| S-37X-HN |
Holley DS kit with no collar
order 2, 4 or 8 magnet collars below |
WEB Price
$145 |
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| S-363W |
Replacement HE sensor
with weather-pak connector |
WEB Price
$92 |
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| S-37x-H18 |
Holley DS kit
with 16 lug collar
more pulses = better resolution. Complete with special sensor.
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WEB Price
$270 |
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| S-375HK |
Holley 4 magnet DS kit
2.125" collar only - fits Strange & Moser large pinion |
WEB Price
$185 |
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Split Collars
| S-37x |
Split Collar - 4 Magnets
NO Sensor |
WEB Price
$55 |
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When ordering choose from the following
sizes:
only 2.125 (the most popular size - Strange Engineering large pinion)
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Includes magnets and stainless hardware.
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8 Magnet Collars
| S-37x8 |
Split Collar - 8 Magnets
$25 additional cost for 1.812. |
WEB Price
$90 |
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Racepak 2 magnet collars here
16 lug collars - reluctors
Billet 16 lug High Def Drive shaft collar/reluctor
Get good wheel speed readings from the hit.
works with Racepak V300SD / Sportsman, most EFI systems and traction control units.
5 sizes: 1.812 1.875 2.125 2.187
Billet steel .475 thick.
Requires a metal sensing Hall Effect sensor (S-364 above). Can use Racepak MSC3 sensor.
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L bracket available above $11 |
| S-37x18 |
Split Collar - 16 lug |
WEB Price
$99 |
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Steel tooth/lug sensor
5/16" metal sensing Hall Effect sensor for 16 lug collars and other metal sensing applications.
- Racepak/Molex connector.
- 5-19 volt power
- 14" pigtail
- Mating conector & instructions
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| S-364 |
metal - 5/16 |
WEB Price
$95 |
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Front Wheel Speed kits
Front wheel speed kits:
- 37x-FWL kit Can pickup from the back of wheel studs or other rotating steel item. You can select any number of pickup points.
- 37x-FWM kit can pickup from magnets mounted/epoxied on hub/rotor etc. 2 Magnets included.
Both kits require you to fabricate brackets and ensure clearance/saftey with steering and brakes. |
5/16" 24 Sensor 1 1/2" long
12' shielded cable, ECU terminals
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| S-37x-FWL |
Front wheel speed kit - studs/lugs |
WEB Price
$185 |
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| S-37x-FWM |
Front wheel speed kit - Magnets |
WEB Price
$145 |
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Shaft Collar details and sizing
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 Measure the size of your pinion yoke
<<<< here to determine grip diameter |
Liquid Temperature
I have discontinued my kits based on the Racepak sensor, For a very nice 1/8" npt liquid temp sensor see Mad Racing parts
Shock Travel
S-208 |
Holley 8" Shock Travel Sensor
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WEB Price
$129 |
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8" travel sensor, Molex connector no mount. This is the most common size for rear coil over insallations.
- 36" pigtail
- Mating connector included
- Nylon mounting hardware
- 12.5" compressed – 20.5” extended length - You must ensure the sensor never gets fully compressed or extended.
mount pictures See mount bracket below: |
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S-208-L10 |
10" Holley Shock sensor
14.5" compressed 24.5" extended |
WEB Price
$149 |
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S-208-L6 |
6" Holley Shock sensor
10.5" compressed 16.5" extended
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WEB Price
$119 |
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S-208-L4 |
4" Holley Shock sensor
8.5" compressed 12.5" extended |
WEB Price
$112 |
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S-208-L3 |
3" Holley Shock sensor
7.5" compressed 10.5" extended |
WEB Price
$99 |
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Shock sensor mount bracket
- Designed to bolt on 1/2" coii-over bolts
- Positions the sensor to clear the spring
- Easiily bent / clocked to accomodate many applications
- 3 5/8" center to center
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| S-412M |
Shock sensor mount |
WEB Price
$9 |
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Ride Height - Wheelie Control kit
Based on the MAD Racing 38" Laser sensor with:
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Standard direct 0-5 volt with no special cables or adapters needed.
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Small and lightweight just 1.700" by 1.300" and a mere 2.5 Ounces of weight.
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Threaded on 3 sides for easy mounting (bolts included)
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Fast response- Can accurately report a 10" change of distance in 0.05 seconds.
ToF sensor not affected by stray ambient light or shiny track surface.
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Built in filtering so logs display accurately without any modification.
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Should the sensor be operated out of it's range the output stays constant, no dropping back to zero as with some sensors.
Download the advanced table after download complete, copy from your download folder to: Documents\Holley\HEFI V5\Individual Configuration Library\Advanced
Youtube Video Holley EFI Ride Height
The gray cable is will supply 0-5 volt signal for any EFI or data system, |
New lower price and better sensor. This sensor is developed by sensor expert Glenn Payne. They are 90% made in the USA (some chips only are available off shore)
$150 less than the Banner kit .
Optional Pivot mount S-412M below |
| S-412 |
MAD Racing 38" range Laser distance sensor |
$377 |
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| S-412C |
0-5 Volt cable for all systems |
$30
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| S-415R |
Raepak V-net module to mate S-412 + S-412C
Note for Racepak use, S-412, S-412C and S-415R are required |
$210
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Holley Track/Tire temp
S-274
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IR Tire/Track temp |
WEB Price
$189 |
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- 36" lead - Molex connetor.
- 32* F to 572* F range
- No mountng bracket
- 3" length X 3/4" length
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Holley Pressure Sensor kits
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Holley Pan Vac - Racepak sensor |
WEB Price
$165 |
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Pan vac using the Racepak 1/8" sensor - sensor must be remote/soft mounted. 6' cable
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Holley Pressure - Racepak sensor |
WEB Price
$165 |
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Pressure using any Racepak pressure sensor (0-15,150,300,500,1500,3000)
6' cable
specify what range in the check-out note. |
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534-35
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Holley Pressure manifold |
WEB Price
$48 |
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1/8" NPT 4 port sensor manifold.
Pressure sensors should not be mounted in engine block.
4 independent ports, each with 3 inlets/outlets, allows for the remote mounting of transducers which eliminates inaccuracies due to vibration and heat |
Click to expand |
Clutch RPM / Slip
| S-387H |
Clutch kit with 5/6" fine thread |
WEB Price
$115 |
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| S-387H2 |
Clutch kit with 3/8" fine thread |
WEB Price
$205 |
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EGT kits for Holley EFI
Holley compatible EGT kits are available from Mad Racing parts
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