ARP Fasteners 725-4500 12 PT Bolts 1/2" UNF X 4.500" ARP726-4500 Black Oxide 9/16" Head (set of 5)
ARP Fasteners 725-4500 12 PT Bolts 1/2" UNF X 4.500" ARP726-4500 Black Oxide 9/16" Head (set of 5)
Now you can use premium-quality ARP chromoly fasteners to install most anything on a car, boat, or trailer. These specially heat-treated 8740 chromoly bolts feature a black oxide finish. They are nominally rated at 180,000 psi tensile strength to provide a substantial extra margin of safety over Grade 8 hardware. What's more, you can't beat the gorgeous looks of ARP fasteners!
Fastener Size: 1/2-20 in. RH
Underhead Length (in): 4.500 in.
Fastener Head Style: 12-point
Fastener Material: 8740 chromoly
Fastener Finish: Black oxide
Fastener Grade: ARP 8740 chrome moly
Fastener Yield Strength (psi): 180,000 psi
Wrench Diameter: 9/16 in.
Washers Included: Yes
Quantity: Sold as a set of 5.
Manufacturer Part Number:
View full detailsWhy shop with Engine Master?
Found a better deal elsewhere?
We try to keep our pricing competitive for all our customers - if you have found a better deal elsewhere, send us an email here and we will do our best to match offers.
(Ensure you include the part number and a link to the competitors price!)