Originally Posted by CoreyR

because on B series head flanges the bottom bolt on the left side sits slightly higher then the rest of the bottom bolt, and he used a weir flange which has an angle sort of cut on that side (look at the pic and compare each side) i only really noticed it because i build a few manifolds a week and use weir flanges.

Originally Posted by silentdaredevil2

Bump manifold fixed and Cheaper