ARP fasteners S/S Hex Nyloc Nuts AR400-8667 Product:1/2" UNC Thread (5-Pack) They are a handy addition

They are a handy addition to the tool box of any serious engine builder and an essential aid to preparing any block for final assembly

If these instructions are not followed

BOOSTED 6262 T4

90° Black Silicone

Female ORB inlet to Male AN Flare outlet

ARP fasteners S/S Hex Nyloc Nuts AR400-8667 Product:1/2" UNC Thread (5-Pack) They are a handy additionS S Hex Nyloc Nuts1 2" UNC Thread (5 Pack) Brand: ARP Part Number: AR400 8667 Description: Available in a variety of sizes to suit your needs, all ARP 12 point nuts are constructed from 8740 chrome moly steel or ARP Stainless, and meet ARP's highest standards of quality. Rated at 180,000 psi tensile strength, ARP 12 point nuts are manufactured in thick wall versions for optimum strength and rigidity and thin wall versions for applications with limited