Tap for Secondary Rail

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10-16-13, 08:38 PM

jayscoobs

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Tap for Secondary Rail

Hello, anyone know what size tap that will work for the stock secondary fuel rail? I would have just used a adapter but one of the bolts stripped on my FPR so im just cutting it off and tapping it but heard people cracking the rail if tapped too big. Trying to fit a aftermarket FPR. I know the Primary is 1/4" NPT but would that work for the secondary too?

TIA