1998-2000 Chevrolet Silverado 4.3L, 5.0L, 5.7L and 7.4L Custom Tuning Tune Installation Option (Scan cable and Traditional tune ONLY):Unblemished PCM (<5% paint missing) [+$125] This service disables the Passlock

This service disables the Passlock System (otherwise known as Vehicle Anti-Theft System (VATS) or Theft Deterrent) within the PCM on most 1998-2013 GM Trucks and SUVs

It is a fully functioning unit that has been previously opened so we are reselling it at a slightly discounted price

All 2014+ 6

When tuning an engine

and customizing your vehicle—whether you’re troubleshooting a problem

1998-2000 Chevrolet Silverado 4.3L, 5.0L, 5.7L and 7.4L Custom Tuning Tune Installation Option (Scan cable and Traditional tune ONLY):Unblemished PCM (<5% paint missing) [+$125] This service disables the PasslockBlack Bear Performance offers three different levels of custom tuning service for your 1998 2000 Classic Chevrolet Silverado. Gains vary widely based on engine size but can vary from 10 15hp on a 4. 3L up to 30 35hp on a 7. 4L. From bone stock to heavily modified, we can help your engine perform as optimally as possible. Other improvements range from improved idle smoothness to better automatic AND manual shift performance, improved throttle response