Welcome to Diamond Oil! Providing quality fuels and lubricants for 30 years.
Thanks Iowa for helping us celebrate our 30 year anniversary!
Whether its renewable fuels, quality lubricants or performance racing products, we'll help you get to the finish line first!
Fuel costs eating up your profits? Our fuel management tools will help you increase your bottom line.
Need lubricants? Our lubrication engineers will help you develop a lubricant management program designed to maximize the investment you have in your equipment.
Got the fever to go racing? Our racing fuels and engine oils have been winning races for decades.
Thanks again Iowa, it's been a great 30 years!
“We are proud to be the official fuel supplier of Iowa Speedway. We hope all you race fans enjoy your day at the track!”
Second Generation Owner