Allstar Performance Flush Head Self-Ejecting Fastener — 5/16 x .400in Steel 10-Pack | ALL18990 1960-ford-galaxie-esi3088972 Reduces Backpressure Description_FAB Increases Performance

Reduces Backpressure Description_FAB Increases Performance Description_ABR MUFF 2

What size fastener does this back up washer fit

What is this lug wrench used for

Stainless Steel Back Plates

4in OD Angled Dual Wall Tip Included

Allstar Performance Flush Head Self-Ejecting Fastener — 5/16 x .400in Steel 10-Pack | ALL18990 1960-ford-galaxie-esi3088972 Reduces Backpressure Description_FAB Increases PerformanceThe Allstar Performance ALL18990 flush head self ejecting fastener has a 5 16 in body diameter and a 0. 400 in body length. It is a slotted, self ejecting quick turn fastener with a flange, made from steel with a zinc oxide finish. Sold as a set of 10. Head Style: Flush Turn Method: Slotted Self Ejecting: Yes Flange: Yes Body Diameter: 5 16 in Body Length: 0. 400 in Material: Steel Finish: Zinc Oxide Quantity: Set of 10 Allstar Performance Spec Sheet