1967 273 Intake Question

Here is my 67 273 2bbl intake. I looked up the numbers and they are NHRA recognized for 67. No big *** hole behind the 7/8 runners.
"....
NHRA Tech Department makes additions to the engine blue print specifications
March 6, 2017


The NHRA Technical Department recently added intake manifold casting to the blueprint specifications.

1966 Mopar 273 2536560

1967 Mopar 273 2536559..."


061918172234.jpg 273intaket.jpg