Sprint Cup and Trucks Tire Notes/Facts for Martinsville

Both the NASCAR Sprint Cup Series and NASCAR Camping World Truck Series will be heading to Martinsville Speedway for a full weekend of racing action, while the NASCAR XFINITY Series has the weekend off.

Here are some basic tire notes and facts for both series for Martinsville:

NASCAR SPRINT CUP SERIES:
Tire: Goodyear Eagle Short Track Radials

Set limits:
Sprint Cup: 5 sets for practice/qualifying and 10 sets for the race;
Camping World Truck: 7 sets for the event

Tire Codes:
Left-side -- D-4588;
Right-side -- D-4468

Tire Circumference:
Left-side -- 87.44 in. (2,221 mm);
Right-side -- 88.70 in. (2,253 mm)

Minimum Recommended Inflation:
Left Front -- 10 psi; Left Rear -- 10 psi;
Right Front -- 23 psi; Right Rear -- 22 psi