Quote:

I have a 2bbl 383 out of a 70 polara for parts, can I use the 413 intake on the 906 heads?



If I understand you correctly, you want to use the 413 intake on the 906 heads MOUNTED ON THE 383, correct? I believe the 413 is an RB engine, while the 383 is a B engine. If all this is right, the intake is too wide to fit your 383.
jt

Yeah, it's hopped up to over 160...