One 4.00-9 inner tubeThese tubes have the TR13 straight stem,
Also included is a rim hole bushing with each tube to adapt the stem up the the larger stem hole if needed.
Also Fits:
4.80x8 / 4.80-8 / 4.00x8 / 4.00-8 / 4.80x9 / 4.80-9 / 4.00x9 / 4.00-9
Fits Many Lawn Mower, Snow Blower, ATV, UTV, & Go-Cart Models.