340 Intake Manifold Casting# 2531915

340 Intake Manifold Casting# 2531915 - Upgrade

cudamark said
The Mopar intake in your first photo is very close to the original cast iron one, but, not exact. It takes a different carb base gasket as the original 915 intake is a 4 hole, whereas the Mopar aluminum one has the two oval slots.

I use the same open gasket for them all . The insulated gasket that is used is also open. I haven't used a 4 hole gasket in a long time.