Important if you run D-H/S or SA

[Tom keedle]

Originally Posted by Mark Yacavone

AMC Edelbrock R4B (same as LD4B except manifold base) has an AMC p/n
It is also in SAE documentation
Approved as superseded part by NHRA on request of Chrysler then taken away 6 months later by NHRA.
So how much longer will this one be allowed to run its course?
Exact same sequence of events and documentation occurred for approval.

"]AMC Edelbrock R4B (same as LD4B except manifold base) has an AMC p/n"


some do, some don't
mine does