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Ships within 48 hours · Estimated delivery Oct 5 - Oct 10
Part Number: AR430-3507
Part Number: AF339-03
427 & 428 ci
Part Number: AU7956
ARP 7/16"-14 x 3.250 12pt black oxide bolts (643-3250) G37 RWD Part Number: AR430-3507ARP 7 16" 14 x 3. 250 12pt black oxide bolts (643 3250) ARP Chromoly Bolts 643 3250 Now you can use premium quality ARP chromoly bolts to install most anything on a car, boat, or trailer. These specially heat treated 8740 chromoly fasteners feature a black oxide finish. They're nominally rated at 180,000 psi tensile strength to provide a substantial extra margin of safety over Grade 8 hardware. The bolts are available in a wide range of thread sizes,
