The Kenwood logo will appear on the No. 12 Dodge driven by David Stremme and the No. 77 Dodge driven by Sam Hornish, Jr.
Kenwood is an associate sponsor of the two cars for all 38 Sprint Cup Series races in 2009.
NASCAR is the leading spectator sport in the U.S. and the second most-televised sport (after the NFL), said Kenwood.