| Diagram | Fig. 6 — TIMING COVER, CONTACT BREAKER AND COILS · ref 18 |
| Subsystem | engine bottom |
| Listed in parts books | 1963–1967 |
Slotted nut
Slotted nut for securing the Lucas 4CA contact breaker points plate inside the timing cover.
This is the slotted nut used to secure the contact breaker points plate inside the timing cover, part number 169194. It shows up across a run of catalog listings tied to the Lucas 4CA contact breaker setup, appearing in the TIMING COVER, CONTACT BREAKER AND COILS and related figures.
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It's a small fastener, easy to lose track of when the cover comes off for a points adjustment or service, and one of those items that's worth having on hand rather than hunting for once your timing cover is already open.
The catalog record runs from 1963 to 1967 and shows this nut appearing across 14 separate listings, which tells you it was used more than once in the ignition assembly rather than being a one-off part. Check your parts book to confirm you need this exact nut before ordering, since points-plate hardware sets vary by contact breaker type.
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