| Diagram | Fig. 10 — Engine Mountings, Head Steady, Centre Stand — GROUP 10 · ref 7 |
| Listed in parts books | 1971–1973, 1975 |
Norton STUD ENGINE STAY 5/16X3.5
A 5/16 x 3.5 stud used in Norton engine stay and head steady mounting hardware.
This is a stud used in the engine stay/head steady setup, listed as 5/16 x 3.5. It shows up across the Engine Mountings, Head Steady, and Centre Stand figures in the parts books, which puts it in the hardware that ties the engine into the frame and helps control vibration.
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The catalog data on this one identifies it as a Norton part, appearing in records spanning 1971 through 1975. Beyond the stud size and the figure groupings it's listed under, we don't have more detail on this one.
If you're working on head steady or engine mounting hardware and need a stud in this size, this is worth checking against what's currently on the bike before ordering, since stay and steady arrangements can vary.
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