Product Details: The Haldex 2430 Long Stroke Gold Seal Spring Brake Chamber is the perfect choice for superior braking performance. This combination size 2430 brake chamber features a long stroke type and uses superior power spring technology for unparalleled force output consistency. The powder coated housing effectively resists fatigue and corrosion, while two O-rings provide positive sealing. Plastic bearings are included for extended life, and the world-class diaphragm is made of a high-quality rubber compound for superior flexibility and durability. FleetPride is your First Click in Heavy Duty®.