the most popular sizes are listed below

1/4" MNPT x 1/8" FNPT Reducer Bushing Hose Fitting (Box of 10)

Straight Pipe

Low Lift Height 41

National Spencer Part Number: 960

Milton 452 1-1/4" Plastic Valve Extension Ambient Air Dryer the most popular sizes are1 1 4" Plastic Valve Extension Extends through hole in wheel cover for ease in inflating or checking tire pressure Lightweight so it will not affect wheel balance 1 1 4" effective length Milton 1 1 4" Plastic Valve Extension (Box of 50)1 1 4" plastic extensions extend through hole in the wheel cover for ease in inflating or checking tire pressure. Lightweight so it will not affect wheel balance.