Mota Performance A10112 Chrome Plated Air Cleaner Top OE Style Single Stud Superior quality triple chrome plating ensures longevity and lasting beauty Precision OEM Design stamped steel 15-3/8" diameter lid is replacement for OEM Chevy/GMC trucks, 1981-1988 Chevy Monte Carlo SS, 1983-1984 Hurst Olds, 1985 1986 1987 Olds 442, Cutlass Salon, Supreme with 5.0L V8 plus other GM V8 air cleaner lids. Uses OEM filter A348C. Single mounting stud design No tools needed, easy to install