Features

• Fastener Style – Bolt.
• Thread Size – 3/8-16 in.
• Fastener Material – Chromoly.
• Fastener Finish – Black oxide.
• Fastener Head Style – Hex.
• Wrench Diameter – 9/16 in.
• Underhead Length (in) – 1.000 in.
• Fastener Yield Strength (psi) – 180,000 psi.
• Washers Included – Yes.

Application

• Make – Chevrolet.
• Year – 1985-1999.
• Engine Family – Chevy small block Gen I, Chevy big block Mark IV.