Update your semi with enhanced brake safety, with the TSE Brake 3030 Long Stroke Spring Brake Chamber that ensures you're Ready for the Road Ahead. By utilizing a pressure-based chamber, this replacement component is able to apply the spring brakes as a safety measure once the internal air pressure falls below a certain level. Created with a solid metal body to efficiently contain pressure and the energized spring brakes. FleetPride is your First Click in Heavy Duty.