Headed building blocks

Header building blocks are perfect for building a full header or turbo manifold before ever cutting and material! No more wasting Material trying to find the right angle or cut! 15 1” straight  15 .5” straight 15 2” radius 15 degree  15 2” radius 30 degree 15 3” radius 15 degree 15 3” radius 30 degree 15 4” radius 15 degree 15 4” radius 30 degree 15 6” radius 15 degree 15 6” radius 30 degree   150pc total kit with included hard case. These are perfect for building one header at a time.   Depending on what size tube kit you order clr might vary, I will have an updated list for all clr sizing soon