We have camshaft and lifter replacement (original) or deactivation of the DOD system. Complete overhaul is available. Crankshaft harness insulation and hood knock sensors are available. Oil pump replacement if oil pressure is low. Tune-up is available: spark plug and spark plug wire replacement, and cleaning of the radiator and throttle body. For American cars: Chevrolet Caprice, Silverado, GMC, Sierra. And others.