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Dave1695 · 11-09-2010, 03:21 PM

I have a small block Chevy cast iron manifold part number 3973483. The last digit could also be an 8. (the number is not cast very well). I have searched the NHRA spec sheet but did not find any manifolds ending in 483 or 488. Anybody know what this piece was used on?

11-09-2010, 03:21 PM	#1
Dave1695 Member Join Date: May 2009 Posts: 160 Likes: 0 Liked 15 Times in 11 Posts	what is it? I have a small block Chevy cast iron manifold part number 3973483. The last digit could also be an 8. (the number is not cast very well). I have searched the NHRA spec sheet but did not find any manifolds ending in 483 or 488. Anybody know what this piece was used on?