5 1/2" 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 5 1/2".
Product Features:- 5 1/2" total effective length
- High heat cap with a thread size of .305-37
- For use with trucks or buses