Dorman 675-224 Exhaust Manifold Hardware Kit

Durable Exhaust Manifold Hardware Kit for Ford Super Duty Trucks

The Dorman 675-224 Exhaust Manifold Hardware Kit is engineered to provide reliable fastening solutions for Ford F-250 Super Duty and F-350 Super Duty exhaust systems. Designed with carbon steel components, this kit ensures a secure and long-lasting connection for your exhaust manifold.

• Includes 8 carbon steel studs, 8 spacers, and 8 carbon steel nuts
• Stud length of 85.2 mm with M8-1.25 coarse threads on both ends
• Stud and nut grade Class 10.9 for enhanced strength and durability
• Black finish on studs and nuts for corrosion resistance
• Compatible specifically with Ford F-250 Super Duty and F-350 Super Duty models

Technical Specifications and Features

This exhaust manifold hardware kit features studs made from high-quality carbon steel with a length of 85.2 mm, providing the necessary reach and strength for secure manifold attachment. Both ends of the studs have coarse M8-1.25 threads with a thread length of 1.25 mm, ensuring proper fitment and thread engagement. The nuts included are also carbon steel with a matching black finish and Class 10.9 grade, offering reliable torque retention under high-temperature conditions typical of exhaust systems. The kit does not include springs or washers but contains all essential components for a standard replacement.

Application and Compatibility

This Dorman exhaust manifold hardware kit is designed for use with Ford F-250 Super Duty and F-350 Super Duty trucks. It is ideal for replacing worn or damaged manifold studs and nuts to maintain exhaust system integrity and prevent leaks.

• Replacement of broken or stripped exhaust manifold studs
• Securing exhaust manifold to cylinder head to prevent exhaust leaks
• Restoring proper torque and clamping force in exhaust connections
• Addressing vibration-related loosening of manifold hardware
• Maintaining exhaust system performance and emissions compliance

Installation Notes and Tips

When installing the Dorman 675-224 Exhaust Manifold Hardware Kit, ensure that the mating surfaces of the exhaust manifold and cylinder head are clean and free of debris. Use appropriate torque specifications for Class 10.9 hardware to avoid over-tightening or thread damage. Since the kit does not include washers or springs, verify if your vehicle requires these components separately. Proper installation will help maintain exhaust system sealing and prevent premature hardware failure.

Quality Assurance and Warranty

Dorman manufactures this exhaust manifold hardware kit to meet or exceed OEM standards for fit, form, and function. The carbon steel construction and Class 10.9 grade hardware provide durability under high-heat exhaust conditions. This product is a standard replacement part designed to restore factory performance. Warranty coverage details should be confirmed with the product documentation or supplier.