Specialty Products pioneered the alignment parts business in 1971 and is the preferred brand by professional installers. As a holder of numerous strategic patents, Specialty Products Company leads the industry in product innovation and alignment education. SPC parts correct suspension angles on racing, street rod, muscle car, off-road, sport and sport compact vehicles. In 2020, SPC acquired Peterson Fluid Systems, a leading manufacturer of oil and fuel system components providing quality without compromise since 1976.