The HALDEX 12V 4 port spring brake priority full function ABS modulator valve delivers optimal brake control with trusted ABS modulation, improving safety across diverse driving conditions. The four-port design enhances braking response, facilitating better vehicle handling and stability. The spring brake priority feature ensures safety by engaging parking brakes if system pressure is compromised. Its compact design offers space savings while preserving complete braking functionality. Advanced electronic control facilitates precise modulation, contributing to efficient and effective braking performance.