Gwatney Performance Innovation

Gwatney Performance Innovation Gwatney Performance Innovation
Leader in GM LS/LT Performance, R&D, and Calibration. Let us help you FIND YOUR FAST!
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Gwatney Performance Innovation can perform nearly every performance modification imaginable to a wide variety of vehicles. Custom ground camshafts have become a mainstay at GPI – especially for the LSx motor platform. We often venture into Supercharged and Nitrous projects – and bring the total package together with a custom tune using our own in-house DYNO.

05/29/2026

The only time you'll see backing out 😎

Time to find your fast.
Call Kevin for Tuning Appointments or In House Scheduling ⬇️
📞 501-985-4947
📍 Jacksonville, AR
📧 [email protected]

05/27/2026

Business in the front, party in the back 😎
Rocking a PD2, American Racing X Pipes, CHE Trunions, and a 925 blower, has this Vette chopping down the road.

Time to find your fast.
Call Kevin for Tuning Appointments or In House Scheduling ⬇️
📞 501-985-4947
📍 Jacksonville, AR
🛠️ gwatneyperformance.com
📧 [email protected]

Today, we pause to honor the men and women that make freedom and horse power possible 🇺🇸And thank you to all service mem...
05/25/2026

Today, we pause to honor the men and women that make freedom and horse power possible 🇺🇸

And thank you to all service members for your sacrifice for our country.

Our offices are closed today, but we'll be back at it tomorrow morning at 8am for all your horsepower needs.

05/22/2026

Celebrate America's 250th this summer with our latest GPI Drop! 🇺🇸

Offices will be closed Monday, May 25th in observance of Memorial Day. We'll be back in office Tuesday, May 26th for all your GPI needs!

Time to find your fast.
Call Kevin for Tuning Appointments or In House Scheduling ⬇️
📞 501-985-4947
📍 Jacksonville, AR
📧 [email protected]

Thank you to those who made the ultimate sacrifice for our country 🇺🇸We proudly offer Military Discounts to active and v...
05/20/2026

Thank you to those who made the ultimate sacrifice for our country 🇺🇸

We proudly offer Military Discounts to active and veteran service members in our Armed forces. Please fill out the form to ensure the discount is applied to your account - https://f.mtr.cool/sxuokndima

Time to find your fast. Call Kevin for Tuning Appointments or In House Scheduling ⬇️
📞 501-985-4947
📍 Jacksonville, AR
📧 [email protected]

05/19/2026

15 years in and going strong 💪🏽

It's 2026. Time to find your fast.
Call Kevin for Tuning Appointments or In House Scheduling ⬇️
📺 YT : Gwatney Performance
📞 501-985-4947
📍 Jacksonville, AR
🛠️ gwatneyperformance.com
📧 [email protected]

Shoutout to 's Robert Strong for a big W at the FuelTech Radial Outlaws Racing Series, "Battle for the Thrones"! 🏆It's ...
05/16/2026

Shoutout to 's Robert Strong for a big W at the FuelTech Radial Outlaws Racing Series, "Battle for the Thrones"! 🏆

It's 2026. Time to find your fast.
Call Kevin for Tuning Appointments or In House Scheduling ⬇️
📞 501-985-4947
📍 Jacksonville, AR
🛠️ gwatneyperformance.com
📧 [email protected]

05/14/2026

Looking to improve variable-displacement oil pump performance and help maintain pressure above idle?
The GPI Billet Timing Chain with direct chain oiling is your answer!

Not only does it fit every OE Gen V LT oil pump AND includes two M8 SHCS bolts + O-ring, but it also :
⚙️Helps tame timing chain harmonics while lubricating the tension side of the chain
⚙️Showed 5-8% more oil pressure with OE/”blueprinted” pumps in testing

It's 2026. Time to find your fast.
Call Kevin for Tuning Appointments or In House Scheduling ⬇️
📞 501-985-4947
📍 Jacksonville, AR
🛠️ gwatneyperformance.com
📧 [email protected]

05/12/2026

When you need to wash off that last race, we've got you covered💪

Cylinder Heads are rocking a 4 week turnaround, just in time for summer racing. Send yours in for an upgrade today!

Time to find your fast. Call Kevin for Tuning Appointments or In House Scheduling ⬇️
📞 501-985-4947
📍 Jacksonville, AR
🛠️ gwatneyperformance.com
📧 [email protected]

05/08/2026

GPI Sauce + Corvettes on the HubDyno = 🥁🥁🥁

Call Kevin to schedule an appointment today ⬇️
📞 501-985-4947
📍 Jacksonville, AR
📧 [email protected]

Ported Rod Mod LS3 Manifolds are hot off the press and ready for max air flow! Learn more or get yours here : https://f....
05/04/2026

Ported Rod Mod LS3 Manifolds are hot off the press and ready for max air flow!

Learn more or get yours here : https://f.mtr.cool/hdgznbeuxq

It's 2026. Time to find your fast.
Call Kevin for Tuning Appointments or In House Scheduling ⬇️
📞 501-985-4947
📍 Jacksonville, AR
🛠️ gwatneyperformance.com
📧 [email protected]

Address

200 Municipal Drive
Jacksonville, AR
72076

Opening Hours

Monday 7:30am - 5:30pm
Tuesday 7:30am - 5:30pm
Wednesday 7:30am - 5:30pm
Thursday 7:30am - 5:30pm
Friday 7:30am - 5:30pm

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