Elring 707.640 Engine Cylinder Head Bolt Set

Reliable Engine Cylinder Head Bolt Set for Mazda 323 and Miata

The Elring 707.640 engine cylinder head bolt set is designed specifically for Mazda 323 and Miata models. Engineered to meet precise specifications, this set ensures secure fastening of the cylinder head, maintaining engine integrity and performance.

• Includes 10 bolts with male star bolt head design
• Thread size: M 11x1.5x122 for exact fitment
• Spanner size: 12 mm for proper torque application
• Compatible with Mazda 323 and Mazda Miata engines
• Durable construction to withstand engine stress and heat

Technical Details and Specifications

The Elring 707.640 cylinder head bolt set features a male star bolt head design, allowing for secure and precise tightening with a 12 mm spanner. Each bolt has a thread size of M 11x1.5x122, ensuring compatibility with the cylinder head of Mazda 323 and Miata engines. The set includes 10 bolts, providing a complete solution for cylinder head fastening needs. This hardware is manufactured to meet OEM standards, supporting engine reliability and longevity.

Compatible Vehicles and Applications

This cylinder head bolt set is compatible with the following Mazda vehicles:

• Mazda 323
• Mazda Miata

It is intended for use in engine cylinder head assembly, securing the head to the engine block and maintaining proper compression and sealing.

Common Issues Addressed by Cylinder Head Bolt Replacement

• Preventing cylinder head warping due to uneven torque
• Maintaining proper engine compression and sealing
• Resolving leaks caused by worn or stretched bolts
• Ensuring engine performance and preventing head gasket failure
• Replacing damaged or corroded bolts during engine rebuilds

Installation Notes and Tips

• Use a 12 mm spanner to apply correct torque as specified by the vehicle manufacturer
• Follow the recommended tightening sequence to avoid cylinder head distortion
• Inspect bolts for damage or wear before installation
• Replace all bolts in the set to ensure uniform clamping force
• Consult the Mazda service manual for torque specifications and procedures

Quality Assurance and Warranty

Elring engine cylinder head bolts are manufactured to meet strict quality standards, ensuring durability and performance under high engine stress. The 707.640 bolt set undergoes rigorous testing to comply with OEM requirements. While specific warranty details may vary, Elring products typically come with a limited warranty against manufacturing defects, providing confidence in product reliability.