1998-2000 Chevrolet Silverado 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 three

1998-2000 Chevrolet Silverado 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 threeBlack 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

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