ARP Main Stud Kit - Hex Nuts - 4-Bolt Mains - Chromoly - Black Oxide - Dart Big M - Splayed Cap Bolts - Big Block Chevy 20-PRY-NB-6XS These caps are injection molded

These caps are injection molded from DuPont Rynite material and feature spark plug-style terminals

Has Been Fashioned After Its Corresponding Factory Rubber Pad

Aluminum anodized nuts have 3/8"-16 threads and captured washers

Injection molded fan housing with stator flow directors

Adhesive backing sticks to almost any clean surface

ARP Main Stud Kit - Hex Nuts - 4-Bolt Mains - Chromoly - Black Oxide - Dart Big M - Splayed Cap Bolts - Big Block Chevy 20-PRY-NB-6XS These caps are injection moldedProduct Description: Main Stud Kit Hex Nuts 4 Bolt Mains Chromoly Black Oxide Dart Big M Splayed Cap Bolts Big Block Chevy Since 1968, ARP is the fastener of champions and the world leader in fastener technology.