Dome nut and washer kit
製品番号
216231
chromed. Securing rocker covers and cylinder heads
製品情報 "Dome nut and washer kit"
Jaguar: E-Type 5.3 V12 Series 3 (1971-74) ? XJ12 Series I, II and III to engine no. 7P47586 (1972-83) ? XJS 5.3 V12 to engine no. 8S24174 (1975-83)
chromed. Securing rocker covers and cylinder heads
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.