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Old 12-24-2011, 06:15 AM
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Hammer65 Hammer65 is offline
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Join Date: Nov 2006
Location: Sammamish, WA
Cobra Make, Engine: Superformance #2743, Roush 427SR
Posts: 130
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I haven't reviewed the entire "Bolt Science" web site but offer this info on Nord Locks
Nord-Lock Demonstration Video - YouTube

I'm now using them on the header to side pipe connections. Lock washers kept coming loose.
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