ARP 1/4"-20 x 0.515 12pt black oxide bolts (640-0515) buick-regal-5th-gen-gs Manufacturer's Part Number: 164083700

Manufacturer's Part Number: 164083700

Manufacturer's Part Number: 18021060

1972 HONDA CB500K 500 - All (2 required)

Part Number: AF951-10-12BLK

ARP 1/4"-20 x 0.515 12pt black oxide bolts (640-0515) buick-regal-5th-gen-gs Manufacturer's Part Number: 164083700ARP 1 4" 20 x 0. 515 12pt black oxide bolts (640 0515) ARP Chromoly Bolts 640 0515 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,