Alto Products Corp. is the oldest and largest independently owned and operated clutch plate and automatic transmission parts manufacturer in the world. We are an ISO certified manufacturer servicing markets around the world. Our expertise lies in the complete design and manufacturing of bonded friction materials, stamped steel separator reaction discs, brake bands and gasket & seal kits. Our capabilities include bonding, stamping, laser cutting, CNC machining, broaching, engineering, in-house tooling and design services. Over a billion clutch plates have been installed in Automotive, Heavy Duty, Hi-Performance, Marine and Motorcycle applications for over fifty years.