Master EFI Tuner - GM EFI This book, Master EFI Tuner - GM EFI, will provide you with all of the necessary theoretical knowledge required to understand and tune General Motors' EFI systems. You get straight forward information that is easily understood and immediately useable by you to tune your own engine!
Price: $39.99
Tuner's Pro Kit - HP Tuners GM Pro & Master EFI Tuner - GM EFI Become a Master EFI Tuner! This kit includes HP Tuners Pro tuning software and Master EFI Tuner - GM EFI, our 207 page EFI tuning book that includes in-depth tuning information & theory along with dyno-proven case studies that show you how the tuning process is applied to real-world examples. With this package, you'll save money and be able to tune vehicles like a Pro!
