Quote:
Originally Posted by Ben M.
As a side note, they also fit the '71-76 B-body cars as well ;-)
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My aim was to point out that the 455 SD manifolds absolutely will NOT fit a '66 B-body.
The '68 RAII and '69 RAIV F-body round-port manifolds (factory or repro) are the only ones that will work in the '66 B-body with 455 SD heads.