K&N RU-4250: RU-4250 Tapered Filter Flange Dia.- F: 3.75 in. , 95 mm
3.75'' (95 mm) Flange Diameter
Tapered Filter Flange Dia.- F: 3.75'', 95 mm Base Outside Dia.: 5.375'', 137 mm Top Outside Dia.: 4.375'', 111 mm Length- L: 5'', 127 mm Top Style: Rubber Flange Length-FL: 0.625'', 16 mm Flange Angle-FA: 0º Flange Offset: 0''