| Diagram | Fig. 5 — CYLINDER BLOCK AND HEAD TR7RV · ref 24 |
| Subsystem | engine top |
| Listed in parts books | 1974, 1976–1980, 1985 |
Stud - cylinder head (5/16 in.)
5/16 in. cylinder head stud for T140E, T140V, and TR7RV cylinder block/head assemblies.
This is a 5/16 in. cylinder head stud, part number 21-2200, used to clamp the cylinder head down to the block. The catalog record places it in the CYLINDER BLOCK AND HEAD figures for the T140E, T140V, and TR7RV, so it belongs to that later unit-twin engine family.
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A stud like this threads into the block on one end and takes a nut on the other once the head is set in place, so it does the work of pulling the head down evenly across the top of the cylinders. Because there are several of these around the head, when one is stretched, corroded, or has a damaged thread, it's common to check the rest while you're in there.
If you're matching this against an old parts book, the description on file reads simply as a 5/16 in. cylinder head stud - no thread pitch or overall length is specified in our record, so measure or compare against your existing stud before ordering to be sure it's the right one for your head.
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