![1996-1997 GMC Sierra 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] In the Box](https://cdn.shopify.com/s/files/1/0673/0504/6304/files/BlackBearLogoFullColor_7860fff1-bf60-417f-b97e-a8520ba7f9ba.png?v=1707431682)
Pay in 4 interest-free payments of $44.38 Learn more
Ships within 48 hours · Estimated delivery Aug 5 - Aug 10
In the Box
Follow our detailed instructions to collect a log file from the vehicle
We commonly see gains of 15-30hp
No free air sensor calibration required - ever
1996-1997 GMC Sierra 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] In the BoxBlack Bear Performance offers our traditional custom tuning service for your 1996 1997 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 improved mileage in
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