The Velvac 4-1/16" to 4-3/8" Spring Loaded T-Bolt General Clamp is the perfect solution for eliminating cold flow hose leaks. This premium spring loaded T-bolt clamp is made of stainless steel and is designed to fit bus, truck and heavy duty equipment air intake and coolant connectors with a diameter range of 4-1/16" to 4-3/8" SAE. The SilverMax clamp is easy to install and provides a secure and reliable connection. It is the perfect choice for any application that requires a secure and reliable connection. FleetPride is your First Click in Heavy Duty®.