This is a F/I/A/T Factory OE radiator / expansion tank cap for short-necked radiators in Fiat Pininfarina 124 Spider 1971-On, and all other Fiat / Lancia cars after 1974.
1" seal height for use in cars whose radiator or expansion tank filler neck has 20mm depth.
A bad cap is the leading cause of overheating.
~12lbs / .8 bar for higher boiling point.
Condition: OE NOS
Original Equipment New Old Stock
New and unused