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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.
200 Municipal Dr, Jacksonville, AR, 72076, United States
Get directionsWeekday | Schedule | Status |
---|---|---|
Mon | 7:30 a.m. to 5:30 p.m. | |
Tue | 7:30 a.m. to 5:30 p.m. | |
Wed | 7:30 a.m. to 5:30 p.m. | |
Thu | 7:30 a.m. to 5:30 p.m. | |
Fri | 7:30 a.m. to 5:30 p.m. | |
Sat | Closed | |
Sun | Closed |
Searched forums and a lot of folks recommended these guys for remote tuning my Camaro. Started out talking to James about getting tuning going. He was super helpful with getting everything downloaded and ordered. Then Ryan took over tuning my car. He was quick to get me revisions and my car is running phenomenal. Can’t wait to order hard parts from them once cold weather hits the northeast and I park it. Highly recommend!
Horrible customer service. Waiting over a month for an item from them. All they do is blame manufacturers for delays. Reached out well over 10x in the past month. With nothing but excuses from them. Still zero updates on lead times or ETA. Go to there site today. An item is showing instock on there site. Are you kidding me. What horrible customer service…. Avoid this place…
10/10 recommendation for anyone wanting parts and tuning for the LT/LS platform. James is super helpful making sure you get the right parts and always ship fast!
I have had nothing but great experiences with GPI period! Ben W performed the tuning on my 2014 Camaro SS, both on the engine and trans. He is excellent in all areas. The trans tune alone was worth the associated cost of the tune. I would also like to heap some praise onto James. He is a tremendous asset to GPI and always a pleasure to deal with! If all businesses had someone to rep their business they would surely prosper. Listens, advises and keeps me informed better than anyone could ask for! Thanks James!!
Worst experience ever. Have over 3200.00 sitting out there due to the incompetence of the staff. From getting hung up on to never getting a return call back. Hands down the worst experience of my life
Gwatney Performance has a 4.7 star rating with 178 reviews.
Gwatney Performance is closed now. It will open at 7:30 a.m.
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