Alfa Romeo
In the current Alfa Romeo world the "Twin Spark" name usually refers to the dual ignition engines installed in Alfa Romeo cars. The 8-valve engine was fitted initially to the Alfa Romeo 75 but also the 164 and 155. The 16-valve engines appeared in the 145, 146, 155, 156, 147, 166, Alfa Romeo GTV &amp; Spider and Alfa Romeo GT models.