PROFORM 66753 Wedge-Locking Header Bolts, 3/8-16 x 1 Inch, Hex Head, Black Oxide Steel, Set of 12

PROFORM Part Number 66753 wedge-locking header bolts provide a secure, dependable fastening solution for header installation and other high-vibration automotive applications. Each bolt features a 3/8-16 thread and a 1-inch length, offering compatibility with matching threaded components while supporting a clean, professional installation. The hex-head design allows for straightforward tightening with common hand tools.
Constructed from durable steel, these header bolts feature a black oxide finish that helps provide corrosion resistance and a clean appearance. The wedge-locking design helps resist loosening caused by vibration, making these fasteners well suited for performance vehicles, custom builds, restorations, and general automotive repair. Their specialized construction supports reliable clamping force when properly installed according to the vehicle or component manufacturer’s requirements.
This PROFORM 66753 set includes 12 header bolts, making it convenient for complete header installation or replacement of multiple fasteners. The compact fastener design is suitable for applications where dependable retention and easy serviceability are important. Use compatible washers or accessories as required by the specific installation, and verify thread size, length, and clearance before assembly.

Features:

• Brand: PROFORM

• Part Number: 66753

• Application: Header installation and other high-vibration automotive fastening applications

• Thread Size: 3/8-16 inch

• Length: 1 inch

• Head Style: Hex head

• Material: Steel

• Finish: Black oxide

• Locking Design: Wedge-locking construction helps resist loosening from vibration

• Quantity: Set of 12 bolts