| Diagram | Fig. 8 — TIMING COVER AND CONTACT BREAKER · ref 22 |
| Subsystem | engine bottom |
| Listed in parts books | 1966–1967 |
Cam
The auto-advance cam inside the timing cover that shapes ignition timing as the points follow its profile.
This is the auto-advance cam that lives inside the contact breaker housing under the timing cover. It's the small toothed or ramped piece that the points follow as the breaker cam plate rotates, and it's what actually shapes the ignition timing curve as engine speed comes up. It's catalogued under the TIMING COVER AND CONTACT BREAKER figure, so it sits right where the points and auto-advance mechanism are housed on the front of the engine.
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Our records show this part appearing across catalog entries from 1966 to 1967, though we don't have a specific model tied to that span in our own listing. If you're chasing this for a points-and-advance rebuild, pull your existing cam and compare the ramp profile before you order, since these vary and a mismatch will throw your timing curve off even if the physical fit seems close.
Give us a call if you're not sure this is the right cam for your setup. Advance cams get mixed up easily between similar-looking parts, and matching the correct one to your breaker plate matters more than the part number alone can tell you.
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