Car enthusiasts and mechanics, this HPS silicone coupler hose is built for serious performance! With a 4.5 inch inner diameter and 3 inch length, this black silicone hose is 4-ply reinforced to handle up to 65 PSI and temperatures from -65°F to +350°F. That means it can take the heat and pressure of turbo systems, intercooler piping, and other high-performance applications without breaking a sweat. The construction meets and exceeds SAE J20 standards, so you know it's quality. The 5mm wall thickness gives it durability while maintaining flexibility. It works great with air, water, and coolant systems - though just a heads up, it's not compatible with fuel or oil. Installation is straightforward if you're familiar with hose clamps and automotive systems. I've used these in turbo diesel truck builds and they hold up way better than cheaper alternatives. The material is UV and ozone resistant too, so it won't degrade quickly from exposure. Whether you're building a race car, upgrading your turbo setup, or need reliable couplers for heavy equipment, this HPS hose delivers professional-grade performance. The black color looks clean and the reinforced construction means it won't balloon under pressure. Definitely recommend for anyone doing custom piping work or replacing worn-out factory couplers. Quality product that does exactly what it promises.
Free 30-day returns 
Free 30-day returns
