Corrugated ribs help prevent flashover; high dielectric strength; proper heat transfer; works to eliminate combustion gas leakage; enhanced spark and heat transfer; improved anti-fouling; corrosion resistance.
Triple gasket-sealing process virtually eliminates gas leakage past the shell
99% highly pure alumina silicate insulator enables use of longer insulator noses to reduce fouling
3-step trivalent-plating process uses silver chromate and zinc for enhanced corrosion resistance
Yes, the NGK Nickel Spark Plug (BPR5ES) - (Part No. 7734) is an exact fit for your 1984 Jaguar XJ6 4.2L. For any further assistance, please feel free to call us at 1-877-238-2623 or visit your nearest Advance Auto Parts store and our representatives would be more than happy to assist you.
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