Proform Stud Valve Cover Fastener 6 mm x 1 Thread 1.387" Long 4-1/8" Tall Hex Head Nuts - Steel YA0828MM08 500" ID - 12

500" ID - 12

U-Bracket mounting

O-Ring Gasket

Designed for street 1955-86 small-block Chevys

Proform Stud Valve Cover Fastener 6 mm x 1 Thread 1.387" Long 4-1/8" Tall Hex Head Nuts - Steel YA0828MM08 500" ID - 12Product Description: Valve Cover Fastener Stud 6 mm x 1. 00 Thread 1. 387 in Long 4 1 8 in Tall Hex Head Nuts Steel Black Oxide Set of 8 PROFORM invites racers to experience the strength, innovation, and power behind the PROFORM brand. PROFORM Parts (Specialty Auto Parts U. S. A., Inc.) is a leader in the High Performance Automotive Aftermarket by engineering and manufacturing creative products from intelligent concepts. Our goal is to provide the