Nology 150 141 050 Silver Spark Plug 1981-1989 &gt; Alfa Romeo &gt; Spider &gt; 2.0L L4 &gt; L4YS M14x1.25 - 19mm reach (3/4 inch) Gasket 21mm Hex (13/16 inch) Non-Resistor 1985-1992 &gt; Audi &gt; 80 &gt; L5 &gt; L4YS M14x1.25 - 19mm reach (3/4 inch) Gasket 21mm Hex (13/16 inch) Non-Resistor 1988-1990 &gt; Audi &gt; 80 &gt; L4 &gt; L4YS M14x1.25 - 19mm reach (3/4 inch) Gasket 21mm Hex (13/16 inch) Non-Resistor 1985-1992 &gt; Audi &gt; 90 &gt; L5 &gt; L4YS M14x1.25 - 19mm reach (3/4 inch) Gasket 21mm Hex (13/16 inch) Non-Resistor ** NOTE: PRODUCT IMAGE MAY NOT BE VEHICLE SPECIFIC