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FuelTech

FuelTech builds standalone engine management for everything from single-cylinder mini bikes to 12-cylinder drag cars and turbo jet skis. ASE stocks the FuelTech line next to its own JZ, K-series and ZF 8HP swap hardware, so the ECU, harness, sensors and ignition for a swap can come from the same place as the adapter plates.

What's in this collection

  • ECUs — FT450, FT550, FT550LITE, FT600 and FT700 standalone engine management
  • Wiring Harnesses — complete, unterminated and adapter harnesses, connector kits and CAN cables
  • O2 & EGT Conditioners — wideband O2 controllers, O2 sensors, EGT modules and thermocouples
  • Ignition Systems — FTSPARK CDI and SparkPRO inductive ignition modules, coils and harnesses
  • Fuel Injectors — high and low impedance FT Injectors plus peak & hold drivers
  • Fuel Systems — fuel filters, injector connectors and the parts that sit between tank and port
  • Switch Panels & Input Expanders — CAN switch panels and input expansion modules
  • Sensors & Valves — pressure, temperature, speed and chassis sensors, relays, boost valves and trigger wheels
  • Performance Accessories — fittings, steering wheels, mounts, dash inserts and billet intake manifolds
  • Water Sports — PWC harnesses and hardware for Yamaha, Sea-Doo and Kawasaki

How the system fits together

  • Start with the ECU. Every harness, connector kit and adapter harness is built for a specific ECU family, so pick the controller first.
  • Add a harness. Complete harnesses come pre-terminated for an engine family (LS, V8, universal 4- and 6-cylinder); unterminated harnesses are for custom builds.
  • Fuel and spark. High impedance FT Injectors run straight off the ECU; low impedance injectors need a peak & hold driver. Ignition modules (SparkPRO inductive or FTSPARK CDI) drive the coils.
  • Sensors and CAN accessories. Wideband controllers, EGT-4 modules, switch panels and the input expander talk to the ECU over CAN, which keeps analog inputs free for other sensors.
Running an 8HP swap? The FuelTech 8HP Transmission PCB Install Board sits in the Performance Accessories collection and pairs with ASE 8HP conversion kits.
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Categories
FuelTech big block Chevy cam sync mounting bracket and magnet kit
FuelTech

FuelTech BBC Cam Sync Mounting Bracket & Magnet Kit

$129.00
5017100028
FuelTech FuelTech RPM & Speed Sensors FuelTech Sensors & Valves
This bracket and magnet kit mounts a cam sync sensor on big block Chevy engines that use a 1 in raised cam with a...
FuelTech PS-10B 0-10 bar pressure sensor for fuel oil and wastegate
FuelTech

FuelTech PS-10B Pressure Sensor (0-10 bar)

$189.00
5005000694
FuelTech FuelTech Pressure Sensors FuelTech Sensors & Valves
The FuelTech PS-10B reads 0-10 bar (0-145 psi) and is suited to monitoring boost, wastegate, fuel or oil pressure in real time. It is...
FuelTech short body pressure sensor 0-150 psi
FuelTech

FuelTech Pressure Sensor Short Body

$89.00
5005100590
FuelTech FuelTech Pressure Sensors FuelTech Sensors & Valves
The FuelTech Short Body Pressure Sensor is a compact stainless steel transducer for logging fuel, oil and other pressures where space is tight. It...
FuelTech Pressure Sensor PRO stainless pressure transducer
FuelTech

FuelTech Pressure Sensor PRO

$129.00
5005100020
FuelTech FuelTech Pressure Sensors FuelTech Sensors & Valves
The FuelTech Pressure Sensor PRO is a 3-wire analog transducer for logging fluid or air pressure on a FuelTech ECU or any system that...
FuelTech stainless M18 x 1.5 O2 sensor plug
FuelTech

FuelTech WB-O2 Sensor Plug

$10.00
5011100776
FuelTech FuelTech O2 & EGT Conditioners FuelTech O2 Sensors
A stainless steel plug that threads into a standard oxygen sensor bung to seal it when no sensor is installed. Thread: M18 x 1.5...
FuelTech Bosch to NTK O2 adapter harness
FuelTech

FuelTech WB-O2 Sensor Bosch to NTK Adapter Harness

$89.00
2002100035
FuelTech FuelTech Adapter Harnesses FuelTech O2 & EGT Conditioners FuelTech Wiring Harnesses
This short adapter harness converts a female Bosch O2 connector to a male NTK sensor connector. It lets you run an NTK lab-grade wideband...
FuelTech WB-O2 Nano wideband O2 conditioner front
FuelTech

FuelTech WB-O2 Nano

$199.00
3010014744
FuelTech FuelTech O2 & EGT Conditioners FuelTech O2 Conditioners
The FuelTech WB-O2 Nano is a compact wideband O2 controller with a built-in display. It runs five different wideband sensors and sends its data...
FuelTech WB-O2 alcohol wideband oxygen sensor
FuelTech

FuelTech WB-O2 - O2 Sensor - Alcohol

$699.00
5005100011
FuelTech FuelTech O2 & EGT Conditioners FuelTech O2 Sensors
The FuelTech WB-O2 Alcohol is a wideband oxygen sensor built around a precision NTK element for high-horsepower alcohol fuel mixtures, where accurate readings at...
FuelTech FT400 dyno extension auxiliary harness with male and female plugs
FuelTech

FuelTech FT400 Dyno Extension - Auxiliary Harness

$99.00
2001002171
FuelTech FuelTech Unterminated Harnesses FuelTech Wiring Harnesses
A 13 ft extension for the FT400's auxiliary harness, used on dynamometers to move the ECU away from the vehicle. Male and female plugs...
FuelTech FT250 FT300 FT350 FT400 unterminated main harness
FuelTech

FuelTech FT250/300/350/400 Unterminated Main Harness

$79.00
2001001029
FuelTech FuelTech Unterminated Harnesses FuelTech Wiring Harnesses
The unterminated main harness for FuelTech's FT200, FT250, FT300, FT350 and FT400 ECUs. The ECU plug comes installed and the remaining wires are left...
FuelTech FT550 to FT600/FT700 adapter harness overview
FuelTech

FuelTech FT550 to FT600/FT700 Adapter Harness

$369.00
2002013545
FuelTech FuelTech Adapter Harnesses FuelTech Wiring Harnesses
This adapter is the fastest way to put an FT600 or FT700 (A and B connectors) onto a car already wired for an FT550....
FuelTech FT250 FT300 FT350 FT400 dyno extension main harness with male and female plugs
FuelTech

FuelTech FT250/300/350/400 Dyno Extension - Main Harness

$129.00
2002001669
FuelTech FuelTech Unterminated Harnesses FuelTech Wiring Harnesses
A 13 ft extension for the main harness on FuelTech FT250, FT300, FT350 and FT400 ECUs. With a male plug on one end and...
FuelTech FT500 to FT600 adapter harness with Superseal connectors
FuelTech

FuelTech FT500 to FT600 Adapter Harness

$289.00
2001004005 / 20x 5011100080
FuelTech FuelTech Adapter Harnesses FuelTech Wiring Harnesses
The quickest route to an FT600 on a car already wired for an FT500 is this 16-inch plug-and-play adapter. It takes both FT500 connectors...
FuelTech Alcohol O2 dual channel unterminated harness
FuelTech

FuelTech Alcohol O2 - Dual Channel Harness

$189.00
2001003289
FuelTech FuelTech O2 & EGT Conditioners FuelTech Unterminated Harnesses FuelTech Wiring Harnesses
The wiring harness for FuelTech's dual channel Alcohol O2 conditioner. It comes pre-wired for two O2 sensors, with the vehicle side left unterminated for...
FuelTech FT500 to FT550 adapter wiring harness
FuelTech

FuelTech FT500 to FT550 Adapter Harness

$199.00
2002005636 / 10x 5011100080
FuelTech FuelTech Adapter Harnesses FuelTech Wiring Harnesses
Moving from an FT500 to the FT550 does not have to mean a new harness. This adapter plugs the FT550 into your existing FT500...
FuelTech FT400 to FT550 ECU adapter harness
FuelTech

FuelTech FT400 to FT550 Adapter Harness

$189.00
2002005635
FuelTech FuelTech Adapter Harnesses FuelTech Wiring Harnesses
This harness bridges an existing FT400 wiring install to the FT550, so the upgrade is a plug-in job rather than a rewire. Once on...
FuelTech travel sensor connector kit sensor side
FuelTech

FuelTech Travel Sensor Connector Kit (Sensor Side)

$6.00
5011100150
FuelTech FuelTech Connectors & Plug Kits FuelTech Sensors & Valves FuelTech Wiring Harnesses Suspension
The sensor-side half of the FuelTech travel sensor connection. It is used to build or repair the wiring between a travel sensor and the...
FuelTech travel sensor connector kit
FuelTech

FuelTech Travel Sensor Connector Kit

$6.00
5011100155
FuelTech FuelTech Connectors & Plug Kits FuelTech Sensors & Valves FuelTech Wiring Harnesses Suspension
A connector kit for FuelTech travel sensor wiring, used when building or repairing chassis sensor harnesses. Connector color can vary depending on stock. Connector...
FuelTech Ford throttle position sensor TPS connector plug kit
FuelTech

FuelTech Throttle Position Sensor - TPS - (Ford) Plug Kit

$8.00
5005100017
FuelTech FuelTech Connectors & Plug Kits FuelTech Sensors & Valves FuelTech Wiring Harnesses
A harness-side connector kit for Ford throttle position sensors. It lets you terminate a custom or repaired harness so the TPS signal reaches the...
FuelTech Superseal 1.0mm cavity plug close-up
FuelTech

FuelTech Superseal 1.0mm Cavity Plug for FT450, FT550, FT600

$1.00
5011100683
FuelTech FuelTech Connectors & Plug Kits FuelTech Wiring Harnesses
A Superseal 1.0mm cavity plug that blanks off unused terminal positions in the ECU connector on FuelTech FT450, FT550 and FT600 systems. It keeps...
FuelTech FTSPARK and PRO HV-8 injector driver connector kit with terminals
FuelTech

FuelTech FTSPARK / PRO HV-8 Connector Kit

$59.00
5011100159
FuelTech FuelTech Connectors & Plug Kits FuelTech Ignition Systems FuelTech Wiring Harnesses Ignition
This kit is for building your own harness for a FuelTech FTSPARK ignition module or PRO HV-8 injector driver. It includes the mating connector...
FuelTech FT700 multimedia connector kit with terminals and RCA connectors
FuelTech

FuelTech FT700 Multimedia Connector Kit

$49.00
5011100786
FuelTech FuelTech Connectors & Plug Kits FuelTech Wiring Harnesses
The FT700 Multimedia Connector Kit is the mating hardware for the FT700's M (multimedia) connector. It provides the connector, terminals and RCA connectors to...
FuelTech FT700 ECU connector kit with four connectors and terminals
FuelTech

FuelTech FT700 Connector Kit

$179.00
5011100689
FuelTech FuelTech Connectors & Plug Kits FuelTech Wiring Harnesses
The FT700 Connector Kit supplies everything needed to terminate a harness to the four main connectors on the FuelTech FT700 ECU. Use it for...
FuelTech FT600 ECU connector kit with A and B connectors and terminals
FuelTech

FuelTech FT600 Connector Kit

$149.00
5011100082
FuelTech FuelTech Connectors & Plug Kits FuelTech Wiring Harnesses
The FT600 Connector Kit is for converting an existing harness to the FuelTech FT600 ECU's two connectors after an upgrade. It includes both main...
FuelTech FT550 ECU connector kit with A and B connectors and terminals
FuelTech

FuelTech FT550 Connector Kit

$139.00
5011100278
FuelTech FuelTech Connectors & Plug Kits FuelTech Wiring Harnesses
The FT550 Connector Kit lets you convert an existing harness to the two FuelTech FT550 ECU connectors after upgrading to the FT550. It supplies...
FuelTech FT450 FT550 FT600 ECU connector terminal
FuelTech

FuelTech FT450/550/600 Terminal

$1.00
5011100080
FuelTech FuelTech Connectors & Plug Kits FuelTech Wiring Harnesses
A single terminal for the FuelTech FT450, FT550 and FT600 ECU mating connectors. Handy for harness repairs or adding a circuit. Fits FT450, FT550...
FuelTech 4x WB-O2 Nano wiring harness for four wideband controllers
FuelTech

FuelTech 4x WB-O2 Nano Harness

$219.00
2001006093
FuelTech FuelTech O2 & EGT Conditioners FuelTech Unterminated Harnesses FuelTech Wiring Harnesses
This harness ties up to four FuelTech WB-O2 Nano wideband controllers into one tidy installation. It is built for setups running one O2 sensor...
FuelTech FT450 ECU connector kit with terminals and CAN A harness
FuelTech

FuelTech FT450 Connector Kit

$89.00
5011100277
FuelTech FuelTech Connectors & Plug Kits FuelTech Wiring Harnesses
The FT450 Connector Kit is for builders who have moved up to the FuelTech FT450 ECU and want to rework their existing harness to...
FuelTech GM-style water coolant temperature sensor 3/8 inch NPT
FuelTech

FuelTech Water Temperature Sensor

$37.00
5005100016 / 5005100019
FuelTech FuelTech Sensors & Valves FuelTech Temperature Sensors
The standard GM-style coolant temperature sensor used with every FuelTech ECU. It threads into the water jacket or a coolant fitting and reports engine...
FuelTech flex fuel sensor connector kit
FuelTech

FuelTech Flex Fuel Sensor Connector Kit

$12.00
5011100354
FuelTech FuelTech Connectors & Plug Kits FuelTech Sensors & Valves FuelTech Wiring Harnesses
The mating connector kit for a flex fuel sensor, used to wire the sensor into your harness so the ECU can read ethanol content....
FuelTech 0-300°F stainless steel temperature sensor 1/8 inch NPT
FuelTech

FuelTech Temperature Sensor (0-300°F)

$77.00
5005100225 / 5011100167
FuelTech FuelTech Sensors & Valves FuelTech Temperature Sensors
A stainless steel temperature sensor for monitoring air or fluid temperatures from 0 to 300°F in performance, racing and heavy-duty applications. It uses a...
FuelTech FT350 to FT450 adapter harness with WB-O2 Nano connection
FuelTech

FuelTech FT350 to FT450 Adapter Harness w/ Nano

$129.00
2002005767
FuelTech FuelTech Adapter Harnesses FuelTech Wiring Harnesses
Built for FT350 installs that also run a WB-O2 Nano wideband controller, this harness lets you step up to the FT450 and carry the...
FuelTech CHT cylinder head temperature thermocouple with 14mm ring tip
FuelTech

FuelTech CHT - Cylinder Head Temperature Thermocouple ID14MM

$99.00
5005100849
FuelTech FuelTech Sensors & Valves FuelTech Temperature Sensors
This cylinder head temperature thermocouple uses a 14mm ring tip with an angled end that mounts at the spark plug, putting the sensing junction...
FuelTech FT350 to FT450 ECU adapter harness with connectors
FuelTech

FuelTech FT350 to FT450 Adapter Harness

$89.00
2002005634
FuelTech FuelTech Adapter Harnesses FuelTech Wiring Harnesses
This adapter lets you drop an FT450 into a car that is already wired for an FT350, without cutting into the existing harness. You...
FuelTech exposed tip Type K thermocouple EGT probe
FuelTech

FuelTech Type K Thermocouple EGT Probe - Exposed Tip

$99.00
5005100335
FuelTech FuelTech EGT Thermocouples FuelTech O2 & EGT Conditioners FuelTech Sensors & Valves FuelTech Temperature Sensors
This FuelTech Type K EGT probe uses an exposed tip, which gives the sensing element less thermal mass and lets it respond faster when...
FuelTech Dual Nano to FT700 adapter harness overview
FuelTech

FuelTech Dual Nano to FT700 Adapter Harness

$199.00
2002014680
FuelTech FuelTech Adapter Harnesses FuelTech Wiring Harnesses
When you move to an FT700 on a harness that was wired for external wideband conditioners, this adapter lets you pull the WB-O2 Nano...
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