I just got my new R&B Wagner catalog.
http://shopwagner.com

They are the only outfit in the world that has one inch inside
radius bends. That is the reason I designed my manifold around
1.90 inch OD RB Wagner pipe bends. Pipe sizes are different than tubing.

Jerry these 180's will lower your manifold over the top
of the engine. They can also be used in the low profile pig tail
intake manifold I just up loaded. The down side is the thick
wall which makes the inside diameter smaller and the bends heavier. 
The up side is they are easier to weld. 

When the stainless versions are used for a turbo exhaust manifold they 
are very robust with .145 wall thickness despite being made out 
of 304 rather than 321.

They also have hollow 1/8 inch wall 2003 aluminum balls in 2 inch, 
2.5 inch and 3 inch diameter.Perfect for the check valve.

Paul Lamar
 
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