Aeromotive 15671 Y-Block Fitting, -6 AN to -4 AN x 2

(1) AN-06 to (2) AN-04 Male Flare Y-Block. Aeromotive distribution blocks eliminate the need for additional fittings. The new Aeromotive CNC-machined, billet aluminum Y-Blocks feature A/N Style Male inlets and outlets, which eliminate potential leak paths, fittings, O-Rings and 'cost'.