| Also known as | NMT2209 |
| Listed in parts books | Not catalogued by year yet |
Norton STUD STEPPED CYL BASE 26-16
A stepped cylinder base stud (PN 067571 / NMT2209) used to secure the cylinder barrel to the crankcase.
This is a stepped cylinder base stud, listed in the books under PN 067571 and also known by the number NMT2209. A stepped stud like this is used at the base of the cylinder barrel, where the barrel sits down onto the crankcase mouth, giving a threaded anchor point that the base nuts pull down against to hold the barrel in place.
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The "stepped" design means the stud has two different thread sections along its length, one for the crankcase end and one for the cylinder base nut end, which is typical of how these base studs are set up on these engines. We don't have more detail on this one beyond the basic listing, so if you're matching up a full set of base studs for a rebuild, give us a call and we'll help confirm what you've got.
If you're pulling barrels for a rebuild it's worth checking all your base studs at once, since a stripped or corroded one is a lot easier to deal with while everything is already apart.
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