MasterPro relays are manufactured with the following fine O.E.M.-type materials to ensure optimum performance and extended service life:
High-quality composite housings for resistance to harsh under-hood conditions.
Brass or copper contacts for long wear.
Brass or nickel-plated terminals for excellent conductivity.
MasterPro is a line of Engine Management Components Consistent with O.E.M. Standards
MasterPro is a leading supplier of Engine Management Components and has established relationships with Quality Certified Manufacturers around the world who all share an uncompromising pursuit for product excellence.
Installers depend on MasterPro for consistent quality, competitive prices, and availability of difficult to source parts.
Every item in the MasterPro program is tested to conform to original equipment form, fit, and function.