5-Pack Bolt Kit, Hex Head S/S AR621-4000 Product:1/4" UNC x 4.000" UHL With 5/16" Socket Head Chrome Steel Valve CoversSuit SB

Chrome Steel Valve CoversSuit SB Chev Without Aeroflow Logo

This black nylon stainless-steel braided oil pressure line kit is designed for use with mechanical pressure or mechanical boost gauges

35mm) in outer diameter

557-12-10BLK

The Silver pump has an internal pressure-regulating valve pre-set to run 6-8 psi

5-Pack Bolt Kit, Hex Head S/S AR621-4000 Product:1/4" UNC x 4.000" UHL With 5/16" Socket Head Chrome Steel Valve CoversSuit SB5 Pack Bolt Kit, Hex Head S S1 4" UNC x 4. 000" UHL With 5 16" Socket Head AR621 4000 621 4000 Now you can use premium quality ARP stainless steel or chrome moly fasteners to install most anything on a car, boat or trailer. ARP's specially alloyed stainless steel bolts and heat treated 8740 chrome moly bolts with black oxide finish are nominally rated at 180,000 psi tensile strength to provide a substantial extra margin of safety over Grade 8