Camshaft Experts

[PRH]

If you are going to run it with those headers again, see if you can measure how long the primary tubes are.

 

[roccodart440]

If you are going to run it with those headers again, see if you can measure how long the primary tubes are.

43" seems to be the answer

 

[PRH]

That long of a primary length will generally hurt top end power.
Although my experience with Mopar fenderwells is limited to 1-7/8” and 2”.