[66dream]

Can anyone tell me what this alum small block 4 bbl intake is from? The numbers on top the intake are: 458520 also GM1D. 9/30 2
Also has a logo looking thing that looks like a circle with a N inside the circle.
Any help appreciated,
Thanks in advance!

 

[Mike]

458520 305/350 82-87 4-Brl Aluminum
Your's appears to be of 1982 vintage

 

[66dream]

Thanks for the decode!