Bronze valve guide for Ducati 250/350/450 valve spring singles. These Non-Desmo guides are the same for intake & exhaust and are available in 3 different sizes. STD is .514", 1st O/S is .516" and 2nd O/S is .518" Please select the size you need from the pull down menu. Guides are made in the USA and !!! SOLD EACH !!! |