Nuke Performance Full Flow Flex Fuel Sensor Adapter. Bypass design lets you use an ethanol content sensor without flow loss.

With the Nuke Performance bypass Full Flow Flex Fuel Sensor Adapter, you can mount your ethanol content sensor on both the pressure and return fuel line in your fuel system. A sensor is not included with delivery.

• Fits most common OEM flex-fuel sensors
• Bypass design exceeds AN-10 fuel line capacity
• AN-10 ORB inlet/outlet for maximum fuel flow
• Work on both pressure and return fuel lines
• Lightweight design, with an integrated bracket
• 4 x Viton O-rings for long-term durability

When running alcoholic fuels such as E85, an ethanol content sensor is used to measure fuel at all times in order to maintain the accuracy and performance of the ECU. The most commonly used sensors have a very small flow capacity which doesn´t support a high-performing fuel setup. With this sensor adapter, you can put the sensor on both the pressure and return side with close to no flow loss, thanks to its bypass design which surpasses the capability of a dash 10 fuel line.

Fits all of the most common OEM ethanol content sensors for your aftermarket fuel system.
Designed to work with the most common flex-fuel sensors on the market from OEM manufacturer GM (Continental), this adapter works with 13577379, 13577429, SE1003, 13577394, and other sensors of the same design. Many of the standalone ECU manufacturers, such as Haltec, AEM, ECU Master WHP, Link ECU, and MaxxECU, sell sensors with their own branding. However, these normally have the same specifications as the OEM parts and work with the Nuke Performance sensor adaptor as long as they use 9.49 (5/16") connections.

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Designed with a bypass design that exceeds an AN10 fuel line capacity, oversized components give you headroom where you need it.
The oversized internal bypass fuel line integrated within the Nuke Performance Full Flow Flex Fuel Sensor Adapter exceeds a AN-10 fuel line capacity. The oversized internal gives you headroom where you need it and makes it possible to mount the sensor on either the pressure or return side of your fuel system.

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Which flex fuel sensor can be used with the Nuke Performance bypass ethanol content sensor adapter?
The Nuke Performance split-flow sensor adapter has been developed to be used together with all the commonly used flex fuel content sensors such as Continental (GM) 13577429, 2022400116, 13577379, SE1003, and even the 13577394, which needs to be modified to a width of 95mm (3.75").

The full flow flex fuel sensor adapter is delivered without the needed flex fuel sensor.
GM Flex Fuel Sensor 13577429
GM Flex Fuel Sensor 13577379

Uses over-dimensioned AN-10 ORB fuel line fittings for maximum flow with close to no flow loss even with high flow fuel setups.

Overdimensioned AN-10 inlet/outlet threads allow for the highest possible fuel flow capacity. The AN-10 ORB fittings have the highest possible flow and are available in a large variety of sizes. Additional AN-10 ORB to AN-6, AN-8, AN-10, and AN-12 fittings are sold separately as accessories.

Delivered with a lightweight bracket for an easy mounting solution for the GM 13577429 flex fuel sensor.
One of the most common ethanol content sensors, the GM 13577429, lacks mounting points as stock. With the Nuke Performance Full Flow Flex Fuel Sensor Adapter, you will both receive all the benefits of a split-flow design while integrated brackets provide a safe and durable installation, particularly helpful alongside the often demanding conditions within motorsports. For the GM 13577379 and 13577394, which have their own mountings holes, you do not need to use the provided mounting bracket.

Developed and designed for both enthusiasts and professional motorsport athletes by Nuke Performance in Sweden.
The Nuke Performance full flow flex fuel sensor adapter, AN-10 is developed and designed in-house by Nuke Performance in Sweden for the highest possible quality with the same hallmark as all the other parts in our lightweight motorsports range. There is no substitute for the quality of Nuke Performance!

Specifications :
Fits sensors : SE1003, 13577379, 13577429, 13577394*

Inlet thread : AN-10 ORB (no fitting is included)
Outlet thread : AN-10 ORB (no fitting is included)

Bypass design : YES, total internals exceeds AN-10 fuel line
Fuel Compatibility : Gasoline, Petrol, Methanol, Ethanol
Integrated bracket : YES, removable when not needed
Height : 44.2mm (1.74”) / 56.2mm (2.21”) **
Width : 137mm (5.39”)
Depth : 32mm (1.26”) / 42.5mm (1.67”) **
Bracket CC : 48mm (1.89”)
Weight : 240g (8.46oz)
Sensor connection : SAE 9.49 (5/16”)
Sensor max width : 95mm (3.75”)

For motorsports use : YES
* Sensor 13577394 needs modification before application
** First measurement is without bracket, second measurement is with the bracket

Included in package :

1 x Full Flow Flex Fuel Sensor Adapter
1 x Lightweight bracket, removable when not needed
1 x Safety leaflet

No flex fuel sensor is included with the bracket; the sensor needs to be ordered separately and is not an official product made by Nuke Performance.