Overview Reviews Product Description Blow Off Valve Weld Flange; 101.6MM OD; 59.5MM Flange OD; 3.3MM Apex Width; 3.3MM Thickness; 2MM Centering Ring Male Diameter Height; 47.7MM Port ID; Tial 50mm; Aluminum; Product Videos Custom Field Product Reviews Write a Review Write a Review × Vibrant Vibrant Tial 50mm Blow Off Valve Weld Flange for 4.00" O.D. Tubing Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *