Holley Terminator X Sub-Harness - 558-131
2009+ Gen III Hemi engines rolled off the showroom floor with Variable Valve Timing (VVT). Now, both Terminator X and Terminator X Max ECUs will allow you to control and tune the VVT with the use of the plug and play VVT harness. The fun does not stop there though! If you are using a stock intake manifold that came from the factory with the Short Runner Valve, we also have a new plug and play sub harness that will allow you to utilize the SRV actuator and capitalize on its low RPM torque benefits.
Part does not affect Vehicle Emissions
Terminator X Sub-Harness; For Use w/Gen III Hemi VVT;
Holley is quickly becoming The New Standard In EFI! Holley?s HP ECU is standard equipment on the 2013/2014 Chevrolet COPO Camaro and Holley?s EFI throttle body powers every NASCAR Sprint Cup Series team.
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