ARP 7/16"-14 x 2.250 12pt black oxide bolts (643-2250) Thread Cleaning Chasers Part Number: AU4327-M

Part Number: AU4327-M

Manufacturer's Part Number: HIVN-1102-08

Wastegate: No Wastegate Hole

Stealth Ride Part Number: EA127643810

Manufacturer's Part Number: 624-4500

ARP 7/16"-14 x 2.250 12pt black oxide bolts (643-2250) Thread Cleaning Chasers Part Number: AU4327-MARP 7 16" 14 x 2. 250 12pt black oxide bolts (643 2250) ARP Chromoly Bolts 643 2250 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,