Fiat 128 SOHC engine Manufacturer Fiat / Lancia / Zastava / Tofaş Production 1969–1999 Configuration SOHC 2-valve I4 Designed by Aurelio Lampredi, the Fiat SOHC engine first appeared in the front-wheel drive (FWD) Fiat 128 of 1969. The in-line four-cylinder engine comprised an iron block with an al ...