1. Front grill openings
Allow air to pass through the radiator and ensure that the engine performs at the optimum temperature.
2. Hood pins
Four metal-and-wire pins with wire tethers that keep the hood closed.
3. Shock absorbers
Help control the compression and rebound of the suspension springs and provide a smooth and controlled ride to the driver.
4. Cowl induction
Housing for the air cleaner that connects the air intake at the base of the windshield to the carburetor.
5. Jack post
This is the area where the jackman must place the jack on each side of the car during a pit stop.
6. Impact data recorder
Records measurements such as G Forces and Delta V (change in speed) from an accident.
7. Roll cage
A cage made of steel tubing inside the car that protects the driver from impacts and rollovers.
8. Window net
Safety device located on the driver's side window that helps keep his or her head and arms inside the car during an accident.
9. Windshield clips
Allow for easy removal of the windshield in the event that a driver needs to be extricated from the vehicle.
10. Television camera
Allows NASCAR fans a great view of their favorite drivers in race traffic.
11. Roof strips
Two half-inch tall aluminum strips that run lengthwise on the roof and help prevent the car from flipping when it is turned sideways during a spin or accident.
12. Roof flaps
Help prevent the car from becoming airborne when it is turned sideways or backward during a spin or accident.
13. Jacking bolt
Area where the crew uses a tool to adjust the handling of the car by altering pressure on the rear springs.
14. Rear spoiler
Deflects the air coming off the roof and onto the rear deck lid, which in turn creates greater downforce and more traction for the rear wheels.
15. Dry break fuel cell
Holding tank for the car's gasoline. It can hold 22 gallons of fuel.
16. Deck lid
Slang term for the trunk lid of a stock car.
Sheet steel plate that separates the engine compartment from the driver's compartment of the car. Also used at the rear to separate the fuel cell compartment from the driver's compartment.
18. Track bar
Lateral bar that keeps the rear tires centered within the body of the car.
19. Sway or anti-roll bar
Used to resist or counteract the rolling force of the car body through the turns.
20. Alternate exit
More commonly known as a "roof hatch," it provides drivers with an alternate exit from the car in the event of an emergency situation.