ARP 7/16"ID 13/16"OD SS washer (400-8509)

ARP 7/16"ID 13/16"OD SS washer - 400-8509 is an ARP fastener kit designed for performance and service applications where dependable hardware and correct specifications matter. This listing is for ARP part number 400-8509.

Use the ARP part number and the specifications above to confirm this is the correct hardware for your application before ordering. For application-specific installation procedures and torque requirements, follow the instructions supplied by ARP for the kit.