BUILT IN ARKANSAS. PROVEN ON THE TRACK.
POWER IS
OUR PASSION.
Race-winning engines. Precision machine work.
A legacy of winning since 1983.
01 / WHAT WE DO
YOUR AMBITION.
OUR EXPERTISE.
Engine builds, cylinder head work, CNC porting and dyno testing from our shop in Arkadelphia, Arkansas.
All services & pricingEngine builds
Race-winning engines and potent powerplants for the street. Tell us what you drive, where you race, and what you want to achieve.
EXPLORE SERVICECylinder heads
Complete cylinder head rebuilding, with high-performance valve guides, valves, valve springs, retainers and more.
EXPLORE SERVICECNC port work
Custom port design, digitizing and CNC duplication. Your proprietary port model stays exclusive to your cylinder head.
EXPLORE SERVICEEngine dyno
Every engine build is tested on our in-house SuperFlow engine dyno. Dyno rental is also available—call to schedule.
EXPLORE SERVICE
02 / THE KUNTZ LEGACY
GOING FAST.
IT’S IN OUR DNA.
In 1983, Jim Kuntz turned a lifelong passion for racing into a shop with a singular purpose: building engines that perform.
From championship competition to street machines, that same passion drives Kuntz & Co. today. An Arkansas original, now part of the Gwatney Performance family.
Meet the people behind the powerTHE PASSION HASN’T CHANGED.
03 / FROM OUR CUSTOMERS
REAL BUILDS.
REAL STORIES.
I have delt with quite a few engine builders in the last 20 yrs but these guys are by far the best I've ever done business with. They love what they do and have the knowledge to back it up.
Brian C. KUNTZ POWER CUSTOMER
READY FOR WHAT’S NEXT?