1998-2000 GMC Sierra 4.3L, 5.0L, 5.7L and 7.4L Custom Tuning Tune Installation Option (Scan cable and Traditional tune ONLY):No Deposit - I will mail my PCM in to be tuned Black Bear Performance offers our

Black Bear Performance offers our AutoCal custom tuning service for your 2009-2014 Chevrolet Tahoe 5

Black Bear Performance offers three different levels of custom tuning service for your 2007-2008 Chevrolet Avalanche 5

Black Bear Performance offers three different levels of custom tuning service for your 2007-2008 GMC Yukon 4

(Windows Laptop Required)

please inform us at tuning@blackbearperformance

1998-2000 GMC Sierra 4.3L, 5.0L, 5.7L and 7.4L Custom Tuning Tune Installation Option (Scan cable and Traditional tune ONLY):No Deposit - I will mail my PCM in to be tuned Black Bear Performance offers ourBlack Bear Performance offers three different levels of custom tuning service for your 1998 2000 Classic GMC Sierra. 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 and