Ducati 250 350 Mushroom Valve Adjuster PAIR USA monza sebring Triumph Memorabilia they're exactly correct for the

they're exactly correct for the period

The listing is for 06-0340 center fork crown nut (CHROME) and 06-0341 fork stem nut (STAINLESS)

Should fit all big twin Guzzi from about '76-early '90s

Suitable for shim-style bevel singles

Ducati 250 350 Mushroom Valve Adjuster PAIR USA monza sebring Triumph Memorabilia they're exactly correct for theSuitable for Ducati single OHC engines with valve adjusters, to replace 0500 92 660. NOT suitable for 'shimmed' rocker arms. The only adjusters you should use in your Monza or similar valved trained Ducati, period. American made, Rockwell hardness 60, micro finished radius'd 'mushroom' head. You can't get the originals anyway These adjusters create a wide valve contact area and are SOLID, unlike the ball bearing things Ducati created that wear quickly