E61 Group Head Rebuild KitA full rebuild kit that fits most standard E61 group head espresso machines. Includes gaskets, valves, and cam shaft. Includes: 3x Large Teflon Gasket 1x E61 Cap Teflon Gasket 1x Lower Teflon Gasket 1x Mushroom Gasket 1x Top Brew Valve 1x Preinfusion Valve 1x Drain Valve 1x Cam Shaft 2x Cam Shaft Gasket 1x Long Gicleur Filter Screen Instructions *Depending on the exact version of the E61 group head on your machine, some parts in this kit may need to