Not Ranked
I've tried the copper on mine, they leaked.
Currantly using graphite I got from Hooker. Two years with not leaks.
If I had to buy another set, I'd get Victor "nitroseal"
you can get them thru "CarQuest"
Here's part #'s http://www.network54.com/Forum/74182...rmance+Gaskets
Description- http://mahleclevite.com/p_performance_gaskets.asp
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FFR MarkIII,FE,toploader,IRS,3.27,Vintage pin's SOLD!
68 F100 Custom Cab 418 cube FE/auto
99 SuperDuty Tuner/chipped/4" Banks TOTALED!!
02 Super Duty 7.3L
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