Promx voltage regulator Yamaha / KTM / Suzuki 400-790 17-20

PROMX is a company based in Italy, established in 1995, specializing in high-quality performance parts and accessories for motorcycles, ATVs, and other off-road vehicles. PROMX offers a wide range of products, including suspension components, exhaust systems, and various engine parts, designed to enhance vehicle performance, durability, and safety.