Set of 6 ruthenium spark plugs NGK 92274 (LKAR7AHXS) for Nissan Mazda Honda Infiniti Acura

Set of 6 NGK 92274 (LKAR7AHXS) Ruthenium Spark Plugs for Nissan Mazda Honda Infiniti Acura

Advantages of Ruthenium Technology in Ignition Systems

A complete ready-made set of six high-tech Ruthenium HX series spark plugs is designed for car owners seeking to ensure maximum output and stability of multi-cylinder gasoline engines. Ruthenium as a base coating for the central electrode demonstrates improved performance compared to standard metals, providing increased resistance to high-temperature oxidation and electrical erosion. The special tip geometry promotes the rapid formation of a powerful spark bundle, allowing for complete and efficient combustion of the working mixture in the cylinders under any driving conditions.

Installing the original set of premium ignition components directly affects the key dynamic and economic indicators of the vehicle. The integration of these elements into the system provides a number of technological advantages:

• Minimization of the likelihood of fuel misfires during a sharp increase in revolutions or driving under high load.

• Stable operation of units under extreme temperature fluctuations in the combustion chamber of the cylinder head.

• Facilitation of the cold engine start process in winter due to reduced required breakdown voltage.

• Protection of adjacent system components, including ignition coils, from premature wear due to stable electrical resistance.

Special anti-corrosion treatment of the metal threaded part prevents the part from burning to the cylinder head thread, ensuring unobstructed removal of elements during subsequent scheduled vehicle maintenance.

Efficiency of Heat Dissipation and Structural Reliability of Elements

Each spark plug in this set is equipped with an internal copper core that extends deep into the central electrode to ensure rapid and continuous dissipation of excess heat. This technical solution prevents the occurrence of dangerous pre-ignition effects that can destroy piston group elements. The durable ceramic insulator has high dielectric properties, completely eliminating current leakage to the vehicle body and retaining the electrical charge directly in the spark gap formation zone.

The use of laser welding in joining the precious metal to the base guarantees the structural integrity of the tip throughout the entire operational period. The design of these spark plugs is adapted to modern environmental and energy efficiency requirements:

• High-quality sealing of the housing with a molded sealing washer to prevent gas breakthrough from the cylinder.

• High chemical resistance to the effects of unburned additive residues contained in modern fuel brands.

• Built-in noise suppression resistor, preventing induced radio interference on onboard computers and multimedia.

• Presence of a precision grounding electrode, the shape of which reduces the flame quenching effect at the initial stage of ignition.

The products are supplied in individual protective cardboard packages, equipped with plastic transport protectors to protect the thread and electrode zone from mechanical impacts during delivery throughout Ukraine.

Applicability Table for Various Brands and Engine Modifications

Spark plugs of this model have an extended thread length and are optimized for modern power units of Asian and premium American production. Below is a detailed compatibility map.

Proper installation of the entire set of six pieces allows for the restoration of the factory dynamic parameters of the car, reduction of exhaust gas toxicity, and stabilization of engine idle speed.

Technical Specifications

• Brand: NGK

• Brand Registration Country: Japan

• Material: Ruthenium, platinum, technical ceramics, nickel-plated steel, copper

• Size: Thread diameter 12 mm, thread pitch 1.25 mm, thread length 26.5 mm, hex size 14 mm

• Color: Silver, white

• Weight: 276 g

• Condition: New

• Product Group: Car Engine Ignition Systems

• Purpose: Ensuring spark formation, stable ignition of the fuel-air mixture in engine cylinders

• Compatibility: Nissan, Mazda, Honda, Infiniti, Acura cars from 2007–2025 with gasoline engines of 1.5L, 2.0L, 2.4L, 2.5L

• Features: Ruthenium HX series, ultra-thin central electrode, built-in noise suppression resistor 5 kOhm, erosion resistance

• OEM Number: LKAR7AHXS

• Factory Article: 92274

• Quantity in Set: 6 pcs.

• Heat Range: 7

• Electrode Gap: 1.1 mm

• Seal Type: Flat sealing washer

• Standard Tightening Torque: 15–20 Nm

• Operational Resource: Up to 120,000 km of vehicle mileage