<page_title> Fiat 508 </page_title> <section_title> Engines </section_title> <table> <cell> 508 <col_header> Model </col_header> </cell> <cell> straight-4 side valve <col_header> Engine </col_header> </cell> <cell> 995 cc <col_header> Displacement </col_header> </cell> </table>
The first 508 model came with straight-4 side-valve engine of 995cc.