![1998-2000 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] 15-20hp gains are common out](https://cdn.shopify.com/s/files/1/0673/0504/6304/files/BlackBearLogoFullColor_a500f417-5c34-4f79-aef1-85de90a75c5d.png?v=1708457722)
Pay in 4 interest-free payments of $93.62 Learn more
Ships within 48 hours · Estimated delivery Jul 30 - Aug 4
15-20hp gains are common out of this 5
which includes the tune service and software license
3L models and 6
This equipment is in high demand and the viability of this business depends on its expeditious use and return
1998-2000 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] 15-20hp gains are common outBlack 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
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