They are made from Grade 5 steel for strength and durability. The bolts are zinc plated to resist corrosion and provide a clean professional appearance. Sold as a set of six. Three 3/8-16 and three 3/8-24 mounting bolts with three lock washers.

• Made from Grade 5 steel for strength and durability
• Fits small or big block Chevrolet engines 1955-92
• Zinc plated to resist corrosion and provide a clean professional appearance