This is a quality main bearing set in .020 undersize for 1970-1973 Fiat 850 903cc engines. This is a 2-width set, approx. 1.90mm thick / 18.5mm / 20.5mm / 22.5mm wide, with alternate sized oiling grooves. Early 903cc engines used different styles of main bearings, check the measurements and oiling holes/grooves carefully!
Fits all late Fiat 850 model engines - 1970-1973
New and unused.