Ace Race Parts 51042 2 Schedule 10 Long Radius 90 Degree Elbow 321 StainlessAce Race Parts 51042 2" Schedule 10 Long Radius 90 Degree Elbow 321 Stainless The Fabricator's Choice for High Horsepower Turbo Manifold Builds! The Ace Race Parts brand of Schedule 10 90 Degree Weld Els are available in 321 Stainless! Ace Race Parts 321 Stainless Weld Els offer superior corrosion resistance in high temperature applications especially applications that will see extended periods of wide open throttle (eg: a track car) or will see