Hollyrock Customs

10/22/2026

Here At Hollyrock Customs We Are Your One Stop Shop For All Your Diesel Needs. From lift kits to brakes, transmission builds, complete fuel systems, DCR, CP3 and conversions. DPF, SCR cat cleaning to simple maintenance. Give us call today to get your diesel truck ready for the cold weather headed our way. 301 690 2130

10/19/2026

Another week Another S@S 6.7 Powerstroke DCR Kit.Get Urs Before It Cost You Triple The Amount.

09/21/2026

HOLLYROCK CUSTOMS will be Closed Friday September 25th. Property Management will be milling and paving the surface of the parking lot Sept 25th- 27th !!

NO DROP OFFs -NO PICK UPs !!!!

If your vehicle is left in one of our spaces it will be towed at YOUR EXPENSE ! No Expections !!!!!

If needed you make arrangements with the staff today.

09/17/2026

Happy bday to one of our very own.Happy bday Cody Spalding hope you have a great one,Can’t do it without ya,love ya son.

09/11/2026

07/10/2026

Saving Fords 1 Truck At A Time.Number 3 For The Week.ARE YOU S@S FUELED?

07/02/2026

In observance of America’s 250th birthday, our shop will be closed Friday, July 3rd. We will return to normal business hours on Monday, July 6th.

We hope you have a safe & happy holiday weekend!

06/23/2026

From 10speed Transmissions,to new Jasper 6.2 motor, Hollyrock Customs LLC Has you covered.

06/04/2026

Racers, fans, and vendors, gather in. 😀🏁
Your full event schedule for the weekend is live!!
Check your times, check your lanes, and be ready.
Questions? We’re only a message away.
-(208) 709-9423
- ultimatecalloutchallenge.com