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Sensor Kits for Holley EFI systems
Drive Shaft Speed - G-Meter - Shock Travel - Pressure - Front Wheel Speed
EGT kits Racepak Interface 16 lug reluctors- Ride Height- Liquid Temp-Clutch
New For Holley
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
$15 additional cost for 1.812. |
WEB Price
$80 |
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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 2.500 -
Billet steel .475 thick.
Requires a metal sensing Hall Effect sensor (S-364 above). Can use Racepak MSC3 sensor.
2.500 model works with Strange yokes for 8.8, 12 Bolt, Dana
Made in USA by Motion Raceworks
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L bracket available above $11 |
S-37x18 |
Split Collar - 16 lug |
WEB Price
$137 |
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5/16" metal sensing Hall Effect sensor for 16 lug collars and other metal sensing applications
WP connector. 5-19 volt power
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S-364W |
metal - 5/16 |
WEB Price
$158 |
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5/16" metal sensing Hall Effect sensor for 16 lug collars and other metal sensing applications
NO connector. 5-19 volt power.
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S-364 |
metal - 5/16 |
WEB Price
$150 |
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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 |
G-meter kit
Features:
- The X axis registers +/-7.5 G for acceleration and deceleration data acquisition
- The Y axis registers from -3G to +12G for cornering data acquisition
- Directional mounting arrow is provided, arrow needs to point forward, towards the front of the vehicle
- Harness/connectors
- Instructions
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Free Shipping

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554-162 |
Holley 2 axis G meter |
WEB Price
$320 |
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Racepak Liquid Temperature
This kit uses the Racepak hi-quality liquid
temp sensor. It's more compact, quicker response, rugged, uses a better connector and most importantly is 1/8" NPT
- Uses EV1 connector for easy field repair.
- 40-300 degreees F (can be set for *C)
- 8' cable
- Holley terminals
- Threaded area 7/16", probe 1/2"
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HOL-RPT |
liquid temp with RP sensor |
WEB Price
$75 |
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Shock Travel
S-208 |
Holley 8" Shock Travel Sensor |
WEB Price
$129 |
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8" travel sensor, no connector no mount.
- 12.8” compressed – 20.8” extended length
- 36" pigtail
mount pictures |
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S-208-K |
Holley install kit - 12' shielded cable, molex ends installed, instructions |
WEB Price
$28 |
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S-208-M |
Shock mount - single
Pictured above |
WEB Price
$7 |
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S-205H-R |
Holley 8" Shock Travel Kit with Racepak sensor & connectors |
WEB Price
$460 |
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8" travel sensor, Molex connectors 12' shielded cable, Holley ECU pins, instructions
This sensor is a bit more compact which helps in some installs
- 12.6” compressed – 20.6” extended length
mount pictures
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S-206H-R |
Holley 6" Shock Travel Kit with Racepak sensor & connectors |
WEB Price
$460 |
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6" travel sensor, Molex connectors 12' shielded cable, Holley ECU pins, instructions
- 9.9” compressed – 16" extended
mount pictures |
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S-210H-R |
Holley 10" Shock Travel Kit with Racepak sensor & connectors |
WEB Price
$485 |
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*********** 10" for hi-rise radial tire cars *****
10" travel sensor, Molex connectors 12' shielded cable, Holley ECU pins, instructions
- 14.5” compressed – 24.5” extended length
mount pictures |
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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 .

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S-412 |
MAD Racing 38" range Laser distance sensor |
$359 |
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S-412C |
0-5 Volt cable for all systems |
$29
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Ride Height / wheelie Control based on Banner Sensor
Based on the Banner 20" Laser sensor with:
- All installation hardware & cables (12')
- Stainless steel sensor
- Instructions for ride height and wheelie control
- Sensor programed to correct issue when car wheelies beyond 20"
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 yellow cable is the Holley 0-10 volt cable or any system that can accept 0-10 (S-414). The black cable is the Generic 0-5 (S-415). |
New lower price and better sensor. There are many distance Banner senors (many are familiar with the yellow plastic unit) to choose from - some not so good for ride height. EFI tuning expert Glenn Payne has worked with Banner to determine the best sensor for RH at the best price. My kits are based on Glenn's research - including setting up the sensor to NOT go back to zero after reachin maximum distnce - a key issue with some sensors.

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S-413 |
Banner 20" range distance sensor only NO Cable |
$395
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S-414 |
Cable for Holley HP/Dominator |
$29
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S-415 |
Cable for FuelTech, FAST (any EFI),Racepak (no V-net module) |
$99
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S-415R |
Raepak V-net module to mate S-413 + S-415 |
$155
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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 Dominator
HOL-GM-EGT8 |
Holley 8 Cyl EGT kit - with
G meter |
WEB Price
$600 |
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This plug & play kit includes
- 8 1/4" EGT sensors with
- Integrated G-meter - a $175 value
- Holley J4 connector
- 1/8" NPT Stainless weld bungs
- Instructions
Adapters available to mate to Racepak weld bungs.
Cable with J4 plug is 36" total length so box must be mounted flat and within 36" of the ECU. Sensor cable lengths are 6'.
Compatiable with Holley 8 EGT kit 554-186 |

can be special ordered with J3
add $40 for Racepak style SS bungs. |
Other Holley compatible EGT kits are available from Mad Racing parts
Racepak Dash & Interface
Comes with the Holley EFI Interface, the IQ3 and 2 terminator caps and the Holley 558-412 Can harness
Plug-and-Play: I program the dash to display the RPM, Water temp, oil pressure, fuel pressure and volts from the Holley. You can add a Racepak bottle pressure and have it on the dash as well.
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250-DS-IQ3EFI |
IQ3 Display & Holley EFI Interface |
$1112 |
Weight
1 lbs |
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