3.00" OD Mass air flow weld on flange adapter Flange designed to fit the factory shape of the sensor. *Sensor is 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! Sensor NOT included. Housing bore for MAF sensor 1.300" (33mm) ID Center distance between two 5mm mounting screws 1.850" (47mm) Fittings: Fits OEM Sensor brand names Siemens & Continental 5WK97508 PBT-GF30 Personalize your build with an MRP component and make your custom project stand out from the crowd. A product of Performance MRP.