Product Details: The MGM Brakes S-Cam Brake Drum is the perfect solution for your braking needs. This product is designed with a lightweight construction, making it easy to handle and manoeuvre. The tamper-resistant design features a long stroke of 3" for efficient braking, ensuring that your vehicle comes to a stop quickly and safely. The integral release bolt mechanism is patented and designed to minimize bolt protrusion, ensuring that the unit is secure and reliable. With a mounting bolt thread of M16 X 1.5 and a mounting bolt length of 1.680", this unit is easy to install and will fit seamlessly into your vehicle's braking system. The port size of 3/8"-18 NPTF ensures that the unit is compatible with a wide range of vehicles, while the low hold-off pressure required results in less air consumption, making it an efficient and cost-effective choice. The return spring is coated with epoxy for durability and resistance to corrosion, ensuring that the unit will last. The power spring is designed to prevent coil clash, ensuring that the unit operates smoothly and efficiently. Overall, it is a reliable and efficient choice for your braking needs. With its lightweight construction, tamper-resistant design, and efficient braking capabilities, this unit is sure to exceed your expectations. FleetPride is your First Click in Heavy Duty®.