ARP 1/4"-20 X 4.000 hex black oxide bolts (650-4000) volkswagen-jetta-4th-gen-awd Manufacturer's Part Number: B18022030

Manufacturer's Part Number: B18022030

Stealth Ride Part Number: ATI-918430

An internal thread of M16 x 1

Top Thread Size: 7/16 in

ARP 1/4"-20 X 4.000 hex black oxide bolts (650-4000) volkswagen-jetta-4th-gen-awd Manufacturer's Part Number: B18022030ARP 1 4" 20 X 4. 000 hex black oxide bolts (650 4000) ARP Chromoly Bolts 650 4000 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,