PROFORM 66752 Wedge Locking Header Bolts, 3/8-16 x 3/4 Inch, Hex Head, Set of 16

PROFORM 66752 Wedge Locking Header Bolts provide a dependable fastening solution for header and exhaust system installations. Designed with a 3/8-16 inch thread and a 3/4-inch bolt length, these bolts are sized for common header applications while offering secure engagement with compatible threaded holes or nuts. The hex-head design supports straightforward installation with standard hand tools.
Manufactured from steel and finished with a black oxide coating, these PROFORM header bolts offer a durable surface and a clean, professional appearance. The wedge-locking design helps resist loosening caused by vibration, making the set well suited for performance vehicles, street cars, and other applications where exhaust components experience repeated heat cycles and movement. Their compact construction helps simplify installation in areas with limited clearance around headers and related components.
Each set includes 16 bolts, providing the quantity needed for many multi-cylinder header installations or replacement projects. Use the PROFORM 66752 set when replacing worn, damaged, or missing header hardware and match the thread size and bolt length to the application before installation. Proper torque and installation practices should follow the header manufacturer’s recommendations to help ensure reliable fitment and service.
PROFORM 66752 Wedge Locking Header Bolts combine a standard 3/8-16 inch thread, 3/4-inch length, hex-head configuration, steel construction, and black oxide finish in one convenient hardware set. They are a practical choice for securing headers and exhaust components where vibration resistance and consistent fastening are important.

Features:

• Brand: PROFORM

• Part Number: 66752

• Application: Header and exhaust system fastening

• Thread Size: 3/8-16 inch

• Bolt Length: 3/4 inch

• Head Style: Hex head

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

• Material: Steel

• Finish: Black oxide

• Quantity: Set of 16