Qualities that have made SMP an industry leader for more than 95 years, innovation, engineering expertise, superior quality, meticulous testing, unmatched customer service, competitive pricing, and brand integrity, are at the heart of every TechSmart part. TechSmart supercharger bypass solenoid’s built a reputation in the automotive industry for quality and craftmanship. We manufacture supercharger bypass solenoid’s for virtually every automobile on the road today.