Overholser founded Painless Performance Products in 1990 to provide racers, hot rodders and automotive enthusiasts with easier and safer wiring solutions. His career is marked by a deep-rooted passion for automotive technology and a commitment to delivering superior products, backed by years of industry volunteerism and legislative advocacy. Overholser served on the SEMA Board of Directors from 2001-2006, chaired the Hot Rod Industry Alliance (HRIA), volunteered for HRIA's precursor--the Street Rod Marketing Alliance (SRMA)--and was inducted into both the Motorsports Parts Manufacturers Council (now the Motorsports Products & Media Council--MPMC) and HRIA Hall of Fame in 2013 for his industry involvement and contributions.