3 11/16" truck valve extensions are made of nickel plated brass and include a long skirt and a high heat cap. Made for use with trucks or buses to extend existing tire valve, these extensions have a .305-32 thread size and an overall effective length of 3 11/16".

Product Features:

• 3 11/16" total effective length
• High heat cap with a thread size of .305-37
• For use with trucks or buses