50mm lever group piston for the Rancilio Z-9
It's factory pre-cut and chrome-plated
this complete assembly resets that variable in one shot
If you're working on the original (not Nuova) Baby model
La Marzocco models with existing PID
Rancilio LE Lever Group Rod and Spring Guide top-brands/yama 50mm lever group piston forRancilio LE Lever Group Rod and Spring Guide Rod and spring guide assembly for the Rancilio LE lever group, sold as a kit that includes R_138, R_139, R_184, and R_188. Assembly required. SPECIFICATIONS Rancilio part #10705074 COMPATIBILITY Fits: Rancilio LE lever group machines Works with: includes R_138, R_139, R_184, and R_188 components INSTALLATION Requires assembly, a moderate DIY job for an owner comfortable with lever group mechanics, or send