Product Details: The MGM Brakes Brake Chamber with Welded Yoke is designed to provide superior braking performance and reliability. This brake chamber is constructed from heavy duty gauge steel for added durability and features a multi lipped center seal that assures a positive internal seal that is superior to O-rings. The tamper resistant design ensures chamber safety and the long life epoxy coated power spring provides superior corrosion resistance. This brake chamber is ideal for heavy duty applications and is designed to provide reliable and consistent braking performance. FleetPride is your First Click in Heavy Duty®.