[ APPLICATION] Designed for versatility, the Brake Pressure Check Valve is perfect for disc drum brake lines, holding 2 lbs and 10 lbs of pressure, making it an ideal choice for car modifications and enhancements. [PREVENTS BACKFLOW] With its innovative engineering, this pressure valve effectively prevents the back flow of brake fluid, ensuring a reliable and consistent pressure in the line, thus improving overall braking performance. [STURDY CONSTRUCTION] Crafted from premium metal material, this valve is rustproof and built to last. Its high strength and durability guarantee long-term use, providing peace of mind for racing and everyday driving alike. [EASY INSTALLATION] Save time and effort with our user-friendly design that allows for an easy setup. This valve serves as a direct replacement for your old or broken one, ensuring a hassle-free installation process. [STRICT QUALITY STANDAR fit for DS] Manufactured to meet rigorous quality control standards, each valve features joint sizes of 3/8-24NPT and 1/8-27NPT for stable performance. Enjoy the confidence of high reliability every time you hit the road., Manufacturer: Jelquix