2001-2004 GMC Sonoma / S15 Jimmy 4.3L Custom Tuning Tune Installation Option (Scan cable and Traditional tune ONLY):Replacement PCM Deposit [+$125] CAMSHAFTS: If you have or

CAMSHAFTS: If you have or plan on an aftermarket cam swap

Black Bear Performance offers our traditional custom tuning service for your 1996-1997 GMC Yukon

throttle response

The scan cable and factory computer(s) (if desired) are returned to us for a refund of the deposit (less 3% merchant fees)

No free air sensor calibration required - ever

2001-2004 GMC Sonoma / S15 Jimmy 4.3L Custom Tuning Tune Installation Option (Scan cable and Traditional tune ONLY):Replacement PCM Deposit [+$125] CAMSHAFTS: If you have orBlack Bear Performance offers three different levels of custom tuning service for your 2001 2004 GMC Sonoma or S15 Blazer 4. 3L. 10 15hp, 15 20ft lbs of torque gains are common out of this 4. 3L powerhouse. Combine that with improved shift patterns, response and even fuel economy in many cases and you'll have what feels like a whole new vehicle! Additional service offerings include: Speed and Rev Limiter Increase Efan enable Torque Management