Transplant a Flex Fuel engine into your project hot rod!


For installations of 2003 - 2006, throttle by wire, Gen 3 (4.8L - 5.3L - 6.0L) engines using V8 ECMs with Green and Blue TPAs. Harness includes all connections for fuel injection operation: ECM, TAC module, Accelerator Pedal, IAC, CTS, IAT, MAF, MAP, Injectors (Non-flex and flex fuel connector pigtails included in kit), Fuel Composition Sensor, Coils, CMP, CKP, Knock, VSS, ISS, 4L60E & 4L80E Transmissions, Front Bank 1 & 2 O2 Sensors. Harness does not include any emission device connections. Harness incorporates its own 10 circuit/4 relay weather-proof fuseblock.

This standard length harness allows four feet from the back of the intake manifold to where the fuseblock and ECM mount. Perfect for those that plan to mount these components under the dash or in the glove box.

This kit includes:

1. All new fuel injection harness with OEM fitment connectors and harness breakouts
2. OBDII connector, mounting bracket and check engine light
3. Crimp-on terminals, rubber grommet
4. Mounting hardware
5. Installation manual

Purchase this harness today and qualify for Painless Performance®™ to flash your ECM for free. Click here for details.

Click here to identify which injector your engine is equipped with.

If you are not sure this is the right harness for your application. Click here.

To find out more about these new products visit our website

Painless Performance
2501 Ludelle St
Fort Worth, Texas 76105


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