Ajusa Head Bolt Set – Engineered For Strength, Sealed For Reliability

Ajusa cylinder head bolt set is engineered to deliver the precise clamping force required to maintain a secure seal between the cylinder head and engine block. Designed for modern combustion systems, these critical fasteners ensure proper compression while preventing leakage of gases and coolant, even under extreme thermal and mechanical stress.

Manufactured from premium grade alloy steel and treated with advanced heat processes, each bolt is made to exacting tolerances for dependable performance across a variety of applications. Ideal for rebuilds or replacements, Ajusa head bolt set offers the strength and consistency trusted by professionals.

Why Choose Ajusa Head Bolts?

• Crafted from rigorously tested materials to meet industry strength and hardness standards.
• Heat treated using quenching and tempering to enhance structural integrity.
• Precision machined threading ensures smooth installation and consistent torque.
• Strict production controls ensure reliability and dimensional accuracy.
• Developed to support reliable compression and prevent sealing failures under stress.

Upgrade to Ajusa cylinder head bolt set today for consistent sealing, secure compression and long lasting reliability.

This head bolt set suits Hyundai vehicles fitted with G4KG, G4KH, G4KC, G4KE, G4KD and G4KJ I4 engines.

Contents:

• 1 X Head bolt set

Vehicle Fitment Guide

Notes:

• The image is for illustrative purposes only.
• In this set, 8 bolts come with pre-installed washers. The remaining 2 bolts must be installed using the existing washers from the vehicle.