VEMS Plug and Play UrS4/S6/200q20v/S2/Rs2 ECU

VEMS Plug and Play UrS4/S6/200q20v/S2/Rs2 ECU

Finally a plug and play standalone EFI solution for the venerable 20 valve turbo Audi I5 engine! A multitude…

EGT Probe UrS4/S6 plug-in

EGT Probe UrS4/S6 plug-in

Rapid response EGT probe with adapter bushing. Threads into the factory downpipe , M12x1.5 thread, where the stock emissions…

60 Lb/Hr High Impedance Fuel Injector

60 Lb/Hr High Impedance Fuel Injector

60 Lb/Hr High impedance fuel injectors, good for 600hp @ 4 bar on 5 cylinder applications. An excellent choice…

VEMS Universal ECU

VEMS Universal ECU

VEMS Universal Standalone ECU Drivers 8 high current and high voltage ignition drivers that can directly drive coils (max 16 cylinders with…

USB to serial adapter

USB to serial adapter

USB to serial (rs232) adapter. Great for laptops without a built in serial port. Works well with VEMS…

Wideband Oxygen Sensor

Wideband Oxygen Sensor

Bosch LSU4 Wideband Oxygen Sensor. Works directly with the VEMS ecu, as well as many other 3rd party wideband…

EFI Express Collections

EFI Express Collections

Use this item to pay an estimate or a balance due on your account. qty 1 = $1, so…

EFI Express "Ringer" T-Shirt

EFI Express "Ringer" T-Shirt

EFI Express "ringer" t-shirt, white with black rings around the arms and neck.…

EFI Express Coffee Mug

EFI Express Coffee Mug

Large EFI Express Branded Coffee Mug…

resistor harness

resistor harness

Use this plug and play resistor harness (with integrated 50w 4.7 ohm resistor) with low impedance "peak and hold" injectors…

Bosch 1000cc injector, low impedance

Bosch 1000cc injector, low impedance

Bosch 1000cc fuel injector…

VEMS LCD Module

VEMS LCD Module

LCD display module that integrates directly with your VEMS ECU. Displays RPM, Lambda(AFR), Boost, Ignition Timing, and more! Includes the…

LS2 UrS4/S6 Plug and Play Coil Kit

LS2 UrS4/S6 Plug and Play Coil Kit

Finally another quality coil option for the UrS4/S6. The factory coilpacks while perfectly sufficient in good condition often become…

Vinyl Decals

Vinyl Decals

High quality EFI Express vinyl decals available in several different sizes and colors: 6" wide printed rectangular in red and black 12"…

ls2 / d585 coil connector

ls2 / d585 coil connector

d585 connector kit including pins and individual cable seals. priced each.…

Bosch Style (Amp Junior Power Timer) 3 pin male connector kit

Bosch Style (Amp Junior Power Timer) 3 pin male connector kit

Bosch style (AMP Junior power timer) male 3 pin connector kit. Includes connector housing, pins, and VAG style rubber…

Bosch Style (Amp Junior Power Timer)  4 pin male connector kit

Bosch Style (Amp Junior Power Timer) 4 pin male connector kit

4 pin Bosch style (Amp Junior Power Timer) male connector kit. Includes contact housing, pins, and VAG style rubber…

Audi I5 Hardened Timing Belt Cog Gear

Audi I5 Hardened Timing Belt Cog Gear

The factory audi crank pulley is made from a low quality metal that can fracture over time causing the keyway…

UrS4/UrS6 Southbend Clutch Kit

UrS4/UrS6 Southbend Clutch Kit

Southbend Clutch offers some of the best clutch kits available on the market for direct fit high horsepower applications for…

Bosch Tri Electrode Spark Plug With Resistor (heat range 5)

Bosch Tri Electrode Spark Plug With Resistor (heat range 5)

Bosch FR5DTC tri-electrode spark plug. Highly recommend for high power / high boost applications. Direct replacement for the…

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