The Largest Horsepower based event in the Northwest returns in 2017! 2 Dyno’s running all day, Dirt Drag Racing during the day and ending with a full Sled Pull hosted by Dynomite Diesel. This is one event you DONT WANT TO MISS!


September 9th, 2017 in Coeur d’Alene, ID





Beers Drank
Inches of Tread Used






Though it is not needed, it is recommended to pre-register especially if you plan on competing in multiple events. Pre-registered dyno competitors will get front line access to the dyno so they have the ability to compete in other scheduled events.
It is recommended to pre-register for dirt drags since registration closes at 10am and racing begins at 11am.

Yes. you will receive a full refund.

Yes, the fairgrounds has a camping location with RV Power and water hook ups. Rates vary if you are camping in a tent or an RV/Camper. Enter at Gate D off E. Kathleen and the fairgrounds will collect the fee.

Camping spots are on grass, so you would need to have a portable fire pit. [Note: if there happens to be a county fire restriction, then only a propane fire pit will be allowed]

Currently they are allowed, but must remain on a leash and you must pick up after them. Don’t be the reason to make us prohibit them in the future!

Parking is Free, and there is only a $5 event entry fee (Kids 12 & under get in free)

Definition of Classes: – Stock Ford, GM, Dodge Classes:
The turbocharger is limited to a stock, OEM/Factory make-specific charger only. No Injectables. No After- Market Compressor Wheels Allowed.
– Small Single Class: 70mm turbo size and smaller. No Injectables.
– Large Single Class: 71mm turbo and greater. No Injectables.
– Small Multi turbo Class/Compound Class: 80mm turbo size and smaller. No more than two (2) turbochargers. No Injectables.
– Large Multi turbo Class/Compound Class: 81mm turbo size and greater. . two or more after market chargers. No Injectables.
– Unlimited Class: Any use of Nitrous, Propane, and/or Water Meth.
Click below for the Northwest Dyno Circuit Rules:




Kootenai County Fairgrounds 4056 N Government Way Coeur d’Alene, ID 83815






H4H Contact