[x300] 1995 X300 4.0 Spark Plugs

1995 4.0 XJ 300
Can anyone suggest the best spark plugs for this engine.
Thanks
Dave W–
Dave Wakeford
outwell, United Kingdom
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In reply to a message from Dave Wakeford sent Wed 21 Dec 2005:

I have used NGK BCPR6ES sparking plugs(gap 0.9mm - 0.035�) changed
after 20000mls (still in good condition) with no problems on my
1995 4.0 Sovereign–
JDA. Westminster Blue 1995 Sovereign 4.0 Auto
Glasgow, United Kingdom
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In reply to a message from Dave Wakeford sent Wed 21 Dec 2005:

Just use a quality brand in the type you like best. Some folks
swear by standard Champion plugs as spec’d in the owners manual,
some like the long-life Iridiums, I like Bosch Platinum +2 for
their long life and reasonable price, they also do not need
gapping, which I dislike doing. Everyone is different. They all
spark fine, some just last longer than others. The engines don’t
seem fussy about plugs in the comments I’ve heard over the years.–
Brian Caro 96XJ6 4.0 63E-TypeS1FHC
Newport News, VA, United States
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