4 State Trucks and the Chrome Shop Mafia are holding their first open house and customer appreciation day Monday, May 7, at their world headquarters in Joplin, Mo. The Chrome Shop Mafia will be present all day.
Vendors — including Sirius Satellite Radio — will be on hand to discuss their latest products. Jambalaya, deep-fried pork chops, hot dogs and cold drinks will be available, along with prizes and giveaway items.
Racing celebrity John Force also will appear with his Team Force and two cars sponsored by Castrol Oil.