PROFORM 66823 Wedge Locking Header Bolts, 3/8-16 x 3/4 in, Hex Head, Nickel-Plated Steel, Set of 16

PROFORM 66823 Wedge Locking Header Bolts provide a reliable fastening solution for header installation and other automotive exhaust applications. Each bolt features a 3/8-16 thread and a 3/4-inch length, making it suitable for compatible header flanges and mounting points. The hex-head design supports straightforward installation with common hand tools, while the locking configuration helps resist loosening caused by engine vibration.
Manufactured from steel and finished with nickel plating, these PROFORM header bolts offer durable construction and improved resistance to corrosion and surface wear. The nickel-plated finish also provides a clean, professional appearance for engine compartments and custom vehicle builds. Verify thread compatibility, bolt length, and clearance before installation to ensure proper engagement and secure assembly.
This set includes 16 PROFORM locking header bolts, providing enough fasteners for many complete header installations or replacement needs. The bolts are designed for automotive enthusiasts, installers, and performance builders seeking dependable hardware from a recognized automotive parts brand. Always follow the header manufacturer's installation instructions and recommended torque specifications for best results. The package is not air restricted and does not require truck freight shipping.

Features:

• Brand: PROFORM

• Part Number: 66823

• Application: Locking header bolts for compatible automotive header installations

• Thread Size: 3/8-16

• Length: 3/4 inch

• Head Style: Hex head

• Material: Steel

• Finish: Nickel plated for corrosion and wear resistance

• Quantity: Set of 16 bolts

• Installation Benefit: Locking design helps resist loosening from vibration