| Diagram | Fig. 1 — CYLINDER HEAD, BARREL AND CRANKSHAFT · ref 36 |
| Subsystem | engine top |
| Listed in parts books | 1970–1974 |
Stud — gearbox bearing plate (5/16" UN.C./UN.F. × 1¼")
5/16 inch UNC/UNF stud, 1¼ inch long, used to secure the gearbox bearing plate and related engine fittings.
This is a stud used to secure the gearbox bearing plate, listed in the catalog as 5/16 inch, UNC/UNF thread, 1¼ inch long. It's a Triumph part and shows up across several figures tied to the gear cluster and camshaft area as well as cylinder head and carburetor linkage plates, which just means this is a common stud pattern the factory used in more than one spot on the engine.
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Because it turns up in gearbox, cylinder head, and manifold/throttle linkage figures alike, don't assume this exact stud belongs to just one job — check your parts book figure against what you're rebuilding before ordering, since the same thread and length spec gets called out in different assemblies.
Catalog appearances run from 1969 to 1974, which tells you the years this stud shows up in the books, not necessarily every model it fits. If you're not sure which assembly you need it for, bring in your old stud or give us a call and we'll sort it out.
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