Both mag plugs Ive had broke the same way, at the shoulder. First one failed because Pelican did not postbthe correct torque spec. Second one failed and i always used 19ft lbs torque.
If you do a search there are many cases of failures. I believe lne may have revised the plug but im not sure.
At least the plug never comes completely out while you are driving.
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Current car
2000 Boxster 2.7l red/black
Previous cars
1973 Opel Manta
1969(?) Fiat 850 Convertible
1979 Lancia Beta Coupe
1981 Alfa Romeo GTV 6
1985 Alfa Romeo Graduate
1985 Porsche 944
1989 Porsche 944
1981 Triumph TR7
1989 (?) Alfa Romeo Milano
1993 Saab 9000
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