This is a Factory OE main bearing set in standard size for 1965-1970 Fiat 850 817cc / 843cc and early 903cc engines. Three-width bearing set, 18.5mm / 20.5mm / 22.5mm wide.
Check the measurements and oiling holes/grooves carefully!
Fits all Fiat 850 model engines to ~ 1970, or motor #2103165.
Condition: OE NOS
Original Equipment New Old Stock - New and Unused