MXR 78 distortion. As the name implies this pedal nails all of those dirty, distorted 70's sounds. From Ramones to Judas Priest and everything in between. : r/guitarpedals
MXR M78 Custom Badass 78 Distortion Pedal | Boost, Overdrive, Distortion & Fuzz - Mannys Music // Mannys Music
Omega Music | MXR 78 Custom Badass Distortion
NPD: MXR Custom Badass '78 Distortion | Telecaster Guitar Forum