Please take a moment to complete this quick questionnaire for your upcoming dyno tune!

Name *

Email *

Phone *

Year/Make/Model *

What Intake Manifold/Cold Air Intake, and Throttle Body/Map Sensor? *

Fuel Type *

What fuel injectors? (Size and brand) *

Number of fuel pumps, pump size, brand and model number *

Base fuel pressure, and is the fuel pressure boost referenced? *

ECU *

Which Holley ECU?

If your Vehicle is a 2015+ Mopar, do you need your PCM Unlocked for HP Tuners? *

Is the engine stock/original to the car or modified? *

Engine displacement, engine compression ratio (if modified) *

Spark plugs and ignition system? *

Intended use of vehicle (street/track, etc)

Cylinder head, camshaft/lifter info (if modified) *

Piston, rod, and crank info (if modified) *

Is the cooling system stock?(Includes thermostat) *

Aspiration *

If turbocharged, What size turbo(s),what intercooler?

If supercharged, What is the size and brand? Pulley info?

If nitrous - dry or wet, progressive control? How much are you spraying?

Transmission model, and mods? (Converter, valve body etc.) *

Rear gear and tire type/size? *

Desired dyno date?

How did you hear about us?

Can we share the vehicle on our social media pages? *

We appreciate you contacting us, we will get back to you shortly!

We appreciate you contacting us, we will get back to you shortly!

Holley 558-426 CAN Extension Harness 12ft

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