Nuova Simonelli Old Group Head Kit (Flat Gasket) brew/coffee-dripper Because this is an offset-fitting

Because this is an offset-fitting design

and mounting hardware separately

Grimac Twenty

and ODE coils in this family come in more than one sleeve size that look similar at a glance but won't seat correctly if mismatched

This backing plate covers the exposed opening left when you remove the doser from a Mazzer Super Jolly Electronic

Nuova Simonelli Old Group Head Kit (Flat Gasket) brew/coffee-dripper Because this is an offset-fittingNuova Simonelli Flat Gasket Group Head Kit The standard group head rebuild kit for most commercial Nuova Simonelli machines and the Oscar flat gasket design, not the newer Aurelia style bell gasket. COMPATIBILITY Fits: most commercial Nuova Simonelli machines and the Oscar Replaces: flat group head gasket (S_2), group head screen (S_6), and group head screw (S_7) Not compatible with: Aurelia or Aurelia II those use the bell style kit instead