Best Spark Plugs

Whats the best plug to use on the 1725 engine?

Going to get Percy running spot on to match his paint;)

Anybody got the codes for them so I dont get blank stare syndrome when I go down the motor factor and mention a 'Commer PB'

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commer-1.jpg

Percy-1975 Highwayman
 
Champion N9Y are recommended, but the equivalent Boshe or NGK is probably better. Personally I use Champion - never had any problem.

'Harvey the RV'
 
bp6es is about right, bosch tend to cope with a wider heat range better :)

"you were only supposed to blow the bloody SLIDING doors off"
 
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