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? *

Thanks for getting in touch!

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

Thanks for getting in touch!

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

MSD- 8897 Replacement Harness for 6425 & 6201

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