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Old 02-09-2010, 08:52 AM
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Rick Parker Rick Parker is offline
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Join Date: May 2001
Location: California, Ca
Cobra Make, Engine: NAF 289 Slabside Early Comp Car with 289 Webers and all the goodies. Cancelling the efforts of several Priuses
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Use the OEM bolts and nuts, torque to spec and if the holes have been elongated you have more issues.

I believe the 12 pt heads are a metric size and are much higher quality than typical grade 8.
Maybe 10.9 in metric terms??
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Last edited by Rick Parker; 02-09-2010 at 07:18 PM..
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