Tube Nut Fitting; -3AN; 0.188 in. Matching Tube Size; 6061 Aluminum; Black Anodized;. Tube Nut Fitting. AN Fitting Washer / Nut. Vibrant Performance Tube Adapter Fittings are lightweight and constructed from 6061 Aluminum Alloy.
Vibrant Performance 10750 Tube Nut Fitting
Vibrant Performance 10754 Tube Nut Fitting
