Hardknocks Diesel

07/09/2026

If you've been wanting to add some peace of mind to your 6.7L Powerstroke, now is the perfect time!

Anyone who schedules a S&S Diesel Motorsport Disaster Prevention Kit with us will have a chance to receive this custom cerakoted filter head!

Don't wait until a CP4 failure leaves you with a costly repair. Protect your fuel system!

Our custom Cerakoted Disaster Prevention Kit was shipped in an order to our awesome dealer Hardknocks Diesel! We believe that this was a small stocking order for them.

If you are in the Missouri Valley, IA area and have been on the fence about having one of our DPK's installed now would be the time! Give them a call.

05/17/2026

05/01/2026

Another Fleece Performance Engineering cheetah going on a customer's truck. This time its a 2022 chevy L5P! This offers great throttle response & good top end power!

04/21/2026

Huge thanks to Hot Shot's Secret for everything they do for us on the race track and for our customers.
Their products consistently deliver when it matters most!
If you’ve ever had engine, transmission, differential, or cooling system repairs done at Hardknocks Diesel — you’re

The Outlaw Diesel Super Series season is right around the corner, and we’re ready! Hot Shot's Secret is proud to increase our support of ODSS with a three-year title sponsorship and to bring Adrenaline Outlaw R100+ to the series as the official fuel.

We'll see you this week at the first leg of ODSS, Rudy's Spring Truck Jam!

04/17/2026

This customer wanted some added performance and a better sound on his LML. Insert the Stainless Diesel 9blade. This is an upgrade that delivers faster spool, lower EGTs, and the signature whistle of the 5Blade Mafia paired with the 9blade turbine 🤘
We are a proud dealer for stainless diesel! Get ahold of us if you are interested in any of their products!