The Proportioning Valve PV4 for GM Chevy disc disc cars and trucks by hengguangauto is a performance/custom part made of brass, with a manufacturer warranty of 1 year. This universal valve is designed for disc disc cars or trucks, providing a reliable solution for adjusting brake pressure. The product has interchange part numbers 172-1361 and AC Delco interchange number 172-1361, making it a versatile option for various vehicles. Made in China, this high-quality valve ensures optimal braking performance and safety on the road.