57K views · 809 reactions | MSD’s solid state relays have been an extremely popular solution to clean up automotive wiring and create a simple, reliable, electrical solution. However, the new line of high-current relays expands upon the original’s capability with four 35 amp channels for even more functionality. The units are easy to install, each output can be triggered by switched power or ground, and they offer a combined output of 140 amps. | MSD Performance | Facebook