Aston spec'd plug
#2
#6
What is that part Jag number for those plugs? Is that the 4.2L, what year is your vehicle and model, thanks
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#8
Finally managed a drive of the xk can definitely say the car is more responsive and smoother .
In terms of producing more HP I can say it feels a little stronger in the mid range but i doubt it's picked up any more horsepower at the top end
In terms of producing more HP I can say it feels a little stronger in the mid range but i doubt it's picked up any more horsepower at the top end
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jahummer (04-08-2017)
#11