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Welcome to Gwatney Performance Innovation!

LSX Monsters SUCCESS!

Our Head Tuner Ryan Stevens was recently interviewed at LSX Monsters - check it out

 

Enjoy our highlight reel below - and see our YouTube channel for over 30 individual race videos from the event. YouTube Channel

 

Great article about a GPI LS3 build over at Engine Labs!

Engine Labs

Our Head Calibrator Ryan Stevens was recently featured in an online article about his personal build - a naturally-aspirated LS3 monster. See video below - but read the full article here.

 

ATTENTION - We are now shipping our custom LS3 Heads! - click here for more info!
Heads

Custom Cam Form

Gwatney Performance Innovation