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Looking for in-stock aftermarket parts to modify or upgrade your GMC C3500 with transmission controllers? At Tunersports.com we carry a huge selection of the top name brand performance transmission controller parts and accessories.
 IN STOCK - LOW 1030390If your torque converter is not locked up when the exhaust brake is applied, you are only benefiting from a fraction of its retarding power. The BD AutoLoc commands the torque converter to lock up, and stay locked up, any time the exhaust brake is applied in third and fourth gears. This not only hel... BD Diesel AutoLoc Ford Dodge Chev 6.5LT 1992-1993 GMC C3500 Sierra / Sierra SLX 1992-2000 GMC C3500 Sierra SLE 1994-2000 GMC C3500 Sierra SL / Sierra SLT $376.95 |