ARP Header Stud 3/8" Diameter 1.670" Long 12 Point Nuts - Chromoly HS200020 Riveted reinforcement plate adds strength

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

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

Nerf Bar / Bumper Fastener

Kit includes carb bushings

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

ARP Header Stud 3/8" Diameter 1.670" Long 12 Point Nuts - Chromoly HS200020 Riveted reinforcement plate adds strengthProduct 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.