5.0” (127mm) OD Mass Air Flow weld on adapter flange for Ford Mustang & F150 *Sensor NOT included, please reuse OEM Sensor* - CNC Machined from 6061 billet aluminum - Flange designed to match the factory shape of sensor - Stainless steel hardware - Hand inspected for consistent high quality - Suitable for welding, powder coating, anodizing or polishing - Made in the USA Reuse your OEM sensor! Socket bore dimensions: Fitment is driven by the physical dimensions of the sensor. Sensor socket bore inside dimensions are 1.113” (28.3mm). Distance between centers of two mount screws is 2.50 (63.5mm). If your sensor fits the socket bore dimensions above, it will mount into this MAF flange. Fittings: 2004 Ford Mustang 4.6 Liters Cobra, 2003 Ford Mustang 4.