Main Turbo Systems, Inc. Go back City Visalia State / Province CA Go back Details Exchanges, overhauls and free testing for turbochargers, controllers, wastegates and pressure relief valves. Product Categories Engine Parts & Services, Turbochargers (Controllers, PR Valves, Waste gates), Turbochargers (Overhaul/Repair)Business Website Address http://www.mainturbo.comBusiness Phone Number 800-847-8815Business Address 234 S. Cotta CourtPostal Code 93292 Directory Home