ARP 1/4"-20 x 3.750 12pt black oxide bolts (640-3750) A3 / A3 quattro 3rd Gen FWD / AWD 563in (192 mm)

563in (192 mm)

Stealth Ride Part Number: GDE-HK55-E-08

- 8 x Intake Manifold O-Ring Gaskets

60mm) fuel injectors

ARP 1/4"-20 x 3.750 12pt black oxide bolts (640-3750) A3 / A3 quattro 3rd Gen FWD / AWD 563in (192 mm)ARP 1 4" 20 x 3. 750 12pt black oxide bolts (640 3750) ARP Chromoly Bolts 640 3750 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,