Chapter 2: Engine Dyno of the MAX Performance Package

THE ENGINE DYNO RESULTS ARE IN! 150HP MORE THAN STOCK LS3! Here is our latest testing of the LS3 / L99 MAX Performance Head & Cam Package. We’ve taken the goodness of the LS7, and adapted it to the LS3 / L99 platforms, to create a package that is the best of both worlds! The […]

Announcing the Brand New MAX Performance Head & Cam Package for LS3 / L99!!!

After many months of working in secret – we are proud to introduce the GPI MAX Performance Head & Cam Package for LS3 / L99 applications! This package is not for the faint of heart. With a huge powerband, torque down low, and an explosive LS7 top end – this is a no compromise NA […]

760 rwhp 6.2L Swapped Twin Turbo Sleeper 4WD Silverado!

This has been a very special build for us.  If you’ve ever dreamed of going absolutely crazy on a build, and making something absurdly fast that was never designed to – check this one out! Just imagine the look on that proud Z06 owners face when you demolish them from a light in an unassuming […]

1400rwhp Flamethrowing Camaro SS & New GPI Dyno RECORD!!

This has been a very exciting week for team at GPI.  We’ve finished up several very exciting builds, and this one is certainly no exception. This car was purchased by the current owner back in 2010, and has been a GPI car for many years.  It started life as a heads / cam car, and […]

Gwatney Performace LT Gen 5 Cam Packages are Officially Available!!

The Wait is Finally Over! For those of you with a 2016+ Camaro SS, or a 2014+ Corvette – we have our Gen 5 LT Cam Packages in stock, and ready to ship! Why GPI? Gwatney Performance has a long history with VVT Camshafts, and we have built a large portion of our reputation around […]

GPI’s Valve Spring Compressor Tool for the Gen V LT is Officially Available!

GPI Exclusive! For those of you with a C7 Corvette, 6th Gen Camaro SS, or any Gen 5 LT powered truck or SUV (Silverado, Sierra, Tahoe, Suburban, Yukon, or Escalade) – we are happy to annouce our new Valve Spring Compressor Tool!  No more risking damage to your head by using the current Valve Spring […]

2006 Chevrolet Corvette Z06 Dyno Results with GPI Heads / Cam!

The Sad Story. This Z06 came to us after a very unfortunate “high RPM event”.  We are told it was trailered all the way from Mexico to see us, but sadly – the situation was pretty bad.  The internals of the motor look to have been used in a Blendtec commercial – suffice to say, […]

2017 GPI Cyber Monday (24 Hour Only) Sale!!

If you missed our Black Friday Sale – here is your LAST CHANCE to take advantage of the holiday savings! 24 HOURS ONLY!!! 2017 Cyber Monday Deals Include: All GPI Cam install packages At the Lowest Prices of the Year! GPI – LS3 Intake manifolds mods Starting at only $249! GPI – Camshafts Starting at only […]