Lingenfelter L650162012 Lingenfelter Camaro ZL1 Air Intake Kit 2012-13 v1.1 - Manual (Page 5)

Page 4.
10. Using the two (2) supplied #14 screws
and a phillips head screwdriver, secure the stock
MAF sensor to the MAF housing. The screws
should be tightened until the washers touch the
metal surface on the MAF sensor.
11. Firmly push the supplied longer edge seal
onto the top of the airbox.
12. Firmly push the supplied shorter edge seal
with the angle cut on one end onto the bottom of
the airbox. The angle cut in the edge seal should
be pointed down when the airbox gets installed
into the vehicle, as shown by the arrow.
13. Lower the airbox assembly into lowering
the airbox onto the bottom grommet and the
upper stud as shown the illustration. Firmly push
down on the airbox to verify that the airbox is
fully seated onto the grommet.