2 1/4" 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 2 1/4".

Product Features:

• 2 1/4" total effective length
• High heat cap with a thread size of .305-37
• For use with trucks or buses