A quality 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.
13lbs / .9 bar for higher boiling point.
New and unused