Glossary / Engine

valve stem

8 Episode Mentions

Too Afraid to Ask

The valve stem is the part on your tire where you pump air in. It's important for keeping your tires inflated and working properly.

Technical Definition

The valve stem is a small component on a tire that allows air to enter or escape. It connects to the tire pressure sensor and is crucial for maintaining proper tire inflation.

Hear It Discussed

"...it's 100% self-contained it's just connected right onto the valve stem there..."
How to Save Money on Car Repairs: Advice from Auto Experts Under The Hood show 36:00

"the more shrouds we can put around that stem and the earlier we can tell the air to split and you'll see this even in pro stock with floor fins so we have a roof fin and a floor fin."
162: The Real Science Behind Engine Airflow & Performance Tuned In 04:44

"the top performing cars could actually grab the track hard enough that the wheel would spin in the tire ripping the valve stem into the wheel shearing it smooth off and causing the tire to rapidly..."
Slicks: The Sticky History of the World's Fastest Racing Tires The Dork-O-Motive Podcast 26:00