Dome nut and washer kit
Product number:
437047
chromed. Securing rocker covers and cylinder head
Product Information "Dome nut and washer kit"
Jaguar: XJ6 Series I and II (1968-79)
chromed. Securing rocker covers and cylinder head
Often the original cap nuts are damaged from opening. A single replacement creates an inconsistent appearance. But that's not the only reason to change nuts. Modern materials transmit higher forces on the flanks, the threads are stronger.