Dyno Testing On Site in Great Falls
Repeatable, Accurate Dyno Runs,In house, On site. Schedule your run today.
LEARN MORE ABOUT OUR DYNO
Welcome to Dooley's Diesel We Diagnose, Upgrade, and rebuild Gas & Deisel Trucks.
You have a Truck. We should be the ones who fix it.
Questions about your truck?
S.O.A Pistons Speed of Air OE & Aftermarket Parts & Accessories
Clean Engine Technology • Reduce Fuel Consumption • Reduce Emissions • Increased Horsepower
LEARN MORE ABOUT SOA
All New Dooley's Diesel Tees, Hoodies & Apparel In the Shop!
CLICK HERE TO SEE OUR NEW INVENTORY!
SHOP NOW
Premium Primrose Additives
Authorized Dealer Primrose Additives
Buy Online >
ASE Master Certified 20+ years
Having the right tools, is only good if you know how to use them. Veteran Owned and Operated
MAKE AN APPOINTMENT
LEARN MORE
-
We are a direct distributor for these manufacturers.