1999-2007 Classic Chevrolet Silverado 1500 4.3L, 4.8L, 5.3L and 6.0L Custom Tuning Tune Service:AutoCal Tune & Hardware [$749] Black Bear Performance offers our

Black Bear Performance offers our AutoCal custom tuning service for your 2007-2008 GMC Sierra Denali 6

Black Bear Performance offers three different levels of custom tuning service for your 2001-2007 Chevrolet Express 4

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

No other handheld offers this flexibility

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

1999-2007 Classic Chevrolet Silverado 1500 4.3L, 4.8L, 5.3L and 6.0L Custom Tuning Tune Service:AutoCal Tune & Hardware [$749] Black Bear Performance offers ourBlack Bear Performance offers three different levels of custom tuning service for your 1999 2007 Chevrolet Silverado 4. 3L, 4. 8L, 5. 3L and 6. 0L (Including Silverado SS!). Gains vary widely by engine type and configuration. 4. 3L engines will typically see a 10 15hp 15 20ft lbs gain 4. 8L and 5. 3L engines will typically see a 15 30hp 15 20ft lbs gain. 6. 0L will see a 25 30hp 20 25ft lbs gain on 91+ octane! Power gains, combined with improved shift