I don't know about a 67, but according to the 68 fsm and also this rebuild kit instruction sheet say an AVS was used in 68 on 383's and 440's.

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74 Challenger, bought it new. In 1978 I replaced the original 318 with a 446 and 727. Mild cam, Jardine headers, and Holley Sniper EFI.
New engine! 511" RB, Edelbrock Performer RPM heads, Eagle rotating assy, Comp hyd roller cam, Doug's 2" headers.