About Us

Gwatney Performance is an Industry Leader in Cam and Head Research and Development for the LSx / LTx Platforms

Gwatney Performance Innovation can perform nearly every performance modification imaginable to a wide variety of vehicles. Custom ground camshafts and cylinder heads have become a mainstay at GPI – especially for the LTx and LSx motor platforms.

We specialize in supercharged, turbocharged, and nitrous projects – and bring the total package together with a custom tune using our own in-house dyno.

Have a Question?

…or call us at (501) 985-4947

Customer Service Hours

Monday – Friday

7:30AM – 5:30PM

Physical Address

200 Municipal Dr

Jacksonville, AR 72076

Aaron Salisbury

Director of Fixed Operations

Ryan Stevens

Service Manager / R&D Lead

Ronnie Esmon

Sales Manager

Kevin Martin

Sales Consultant

James Zajac

Sales Consultant

Brandon Hill

Sales Consultant

Zach Saldaña

Sales Consultant

John Sims

Engine Builder / Technician

Andrew Cammer

Sales Consultant

Mike Pestka


John Barnes


Cody Anderson


Ben Weishaar

Calibration Specialist

Have a question?

Avg. Response Time: Under 60 minutes

Have a question about the next step of your build, a product, the status of an order, or anything else?  Here is the place to ask!  I’ll funnel your question to the correct team.