Have not Northfork, il maybe give it a shot but have had great luck with the blaster white lithium. The squeek did come back so I used a needle tip on my grease gun and pumped in some synthetic grease and put a little tab of Aluminum tape and coated it in black touch up paint. Worked fantastic, true fix and no risk of contamination. hardly noticeable. Cost $10 for the grease, $16 on the tape from lowes, dont know what the grease gun and tip would cost or the paint as I have that stuff layng around.

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Do your car and move up to Amsoil.