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 performance enthusiast with innovation, quality, and affordability in all our products-giving the customer maximum value.

With dozens of patents, thousands of SKUs and millions of satisfied customers, Proform has brought innovation, quality, and affordability to enthusiasts for over 30 years. Each Proform part is designed to deliver maximum performance, value and style.
Features:

• Screw-In Type
• 7/16-20 Studs Designed To Fit Small Block and Big Block Chevy Cylinder Heads
• Base Thread Of Studs Are 7/16-14
• Made from Quality Hardened Alloy Steel
• Black Oxide Finish
• Sold as One Set of 16 Pieces