[IDGAF27]

Right here is four pages of matching front/rear tires for 89 Porsche Speedster.
http://www.tirerack.com/tires/CompareTireResults.jsp?search=true&pagelen=20&page num=1&pagemark=1&skipOver=true&vehicleSearch=true& startIndex=0&autoYear=1989&minLoad=S&frontRatio=55 &autoModClar=&frontDiameter=16&skipOver=true&rearW idth=225%2F&rearDiameter=16&frontWidth=205%2F&auto Make=Porsche&rearSortCode=45750&minSpeedRating=V&f rontSortCode=44950&autoModel=911+Speedster&rearRat io=50&brand=Hankook&speed_rating=V&speed_rating=Z& speed_rating=W&speed_rating=Y&speed_rating=(Y)&Run Flat=All&loadRank=2