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 […]