GM LS3 / LS7 Mass Air Flow Sensor - MAF - Chevrolet Performance 15865791

New, genuine GM MAF sensor. These are OE in LS3 and LS7 applications, as well as many more GM!
These card-style MAF sensors fit into our stainless and aluminum weld bungs perfectly, for easy integration to an aluminum or stainless intake tube. 
Part number: 15865791