Details
| Diagram | Fig. 2 — Engine: Cylinder, Cylinder Head · ref 20 |
| Subsystem | engine top |
| Listed in parts books | 1975 |
Norton Nut
A cylinder base nut (06-7870), tall style, used to secure the cylinder barrel down onto its studs.
PN · 06-7870
This is a cylinder base nut, part number 06-7870, showing up in the engine cylinder and cylinder head section of the catalog. It's a tall-style nut used where the barrel meets the crankcase, holding the cylinder down against the studs.
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Our record for this one is limited to that single catalog appearance from 1975, so we don't have more to go on for exact model fitment. Check thread and stud diameter against what's on your engine before ordering, and call the shop if you want us to confirm before you buy.
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