| Diagram | Fig. 5 — CYLINDER BLOCK AND HEAD TR7RV · ref 50 |
| Subsystem | engine top |
| Listed in parts books | 1978–1980, 1985 |
Adjuster pin 24 UNF Thread
Tappet adjuster pin with 24 UNF thread, used in the cylinder head to set valve clearance on later unit-twin engines.
This is the tappet adjuster pin used in the cylinder head, the piece that sits at the top of the pushrod/rocker setup and gets screwed in and out to set valve clearance. It carries a 24 UNF thread, so it's not interchangeable with earlier coarser-thread adjusters on older engines.
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Our catalog record ties this part to the CYLINDER BLOCK AND HEAD figures for the T140V, T140E, and TR7RV, spanning appearances from 1978 through 1985. If you're working on a head from that era and need to check or reset valve clearance, this is the pin that does the job.
It's a small, cheap-to-keep-on-hand item, but it's worth having a spare in the toolbox if you're doing your own valve adjustments regularly, since these threads can wear with repeated use.
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