ARP Header Stud 3/8" Diameter 1.670" Long 12 Point Nuts - Chromoly HS200020 Weld-on bracket has a curved

Weld-on bracket has a curved 3/4" slot so rear end remains square as the trailing arm is raised or lowered

Premium ceramic friction materials provide moderate wear rates and high heat tolerance

Heavy Duty Hardened Steel Frame

1 standards

Riveted reinforcement plate adds strength and high-pitch 32° blades increase airflow

ARP Header Stud 3/8" Diameter 1.670" Long 12 Point Nuts - Chromoly HS200020 Weld-on bracket has a curvedProduct Description: Header Stud 3 8 in Diameter 1. 67 in Long 12 Point Nuts Chromoly Black Oxide Oldsmobile V8 Set of 14 Since 1968, ARP is the fastener of champions and the world leader in fastener technology.