ZZP Ecotec Timing Chain Guide Other-Platforms #3 Email me an HPTuner

#3  Email me an HPTuner file

Current lead time is approximately 4-6 weeks

We have found this to bring more life to 4T65's with higher mileage

Deadtime is the delay between when exhaust gas composition changes and when that change is reported by the O2 sensor

control arm bushings

ZZP Ecotec Timing Chain Guide Other-Platforms #3 Email me an HPTunerWhile the Ecotec engine has been a fantastic powerplant throughout the years, the single largest weak point of the system has always been the timing kit. There are a few inherent flaws with the stock system; 1) excessive noise, 2) chain instability, 3) poor reliability. Our new upgraded ZZP timing chain guide solves those major weak points in the system. Made of the same extremely durable material as our ZZP supercharger couplers this guide is