Car not shifting properly? Finally worn out that clutch? Napa Valley Transmissions works on automatic, manual and dual clutch transmissions on all types of cars and trucks. This shop offers personalized and highly skilled services. It can rebuild or install new transmissions. If you have a high-performance car, consider that this shop's regular clients include Napa Valley's Krider Racing team, which competes in nationally sponsored races. However, its wholesale and retail services are available for ordinary cars and drivers as well.