Which part number?
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From: Madison Heights, MI
Which part number?
Buying 1" ARP header bolts. Which Summit part number: ARP-400-1109 or ARP-400-1110 for the hex head 1" under head, 3/8" thread dia. 5/16 head?
Or should I get the 12-pt?
Or should I get the 12-pt?
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Brandon Wittmer
General 1967-2002 F-Body Tech
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Dec 7, 2014 12:15 PM