THIS FITS INSIDE THE AIRBOX AND THE AIR FILTER ELEMENT SLIDES RIGHT OVER IT. THIS SHOULD WORK ON ANY (K2 MODEL 90 THRU 1986 MODEL CT110) 1970 TO 1986 96H @ CT90 AIR FILTER CAGE RUBBER GROMMET/SEAL 1/22T (325Y) RESTORE YOUR DISCONTINUED HOLDER/CAGE WITH THIS NEW SEAL JUST REMOVE THE OLD DRYROTTED ONE, CLEAN THE SURFACE AND 3M WEATHER STRIP GLUE ON THIS NEW GAS RESASTANT SEAL.... 325Y