---
product_id: 254497223
title: "LKAR8AI-9 Laser Iridium Spark Plug, One Size"
brand: "ngk"
price: "€ 59.83"
currency: EUR
in_stock: true
reviews_count: 6
category: "Ngk"
url: https://www.desertcart.pt/products/254497223-lkar8ai-9-laser-iridium-spark-plug-one-size
store_origin: PT
region: Portugal
---

# Laser welded iridium tip for max spark Boosts fuel economy & lowers emissions Triple gasket seal for zero gas leaks LKAR8AI-9 Laser Iridium Spark Plug, One Size

**Brand:** ngk
**Price:** € 59.83
**Availability:** ✅ In Stock

## Summary

> ⚡ Ignite Performance, Slash Emissions, Own the Road!

## Quick Answers

- **What is this?** LKAR8AI-9 Laser Iridium Spark Plug, One Size by ngk
- **How much does it cost?** € 59.83 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/254497223-lkar8ai-9-laser-iridium-spark-plug-one-size)

## Best For

- ngk enthusiasts

## Why This Product

- Trusted ngk brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Innovative Insulator Design:** Longer nose and corrugated ribs prevent fouling and flashover, guaranteeing reliable starts every time.
- • **Superior Anti-Corrosion & Sealing:** Trivalent metal plating and triple gasket seal protect against corrosion and combustion leaks, extending plug life.
- • **Advanced Platinum Ground Electrode:** Engineered for longevity, ensuring your spark plug outlasts the competition with consistent performance.
- • **Precision Laser-Welded Iridium Tip:** Experience unmatched durability and a powerful spark that keeps your engine firing flawlessly.
- • **Optimized for Faster Starts & Acceleration:** Feel the difference with quicker ignition and smoother throttle response that puts you ahead on every ride.

## Overview

The LKAR8AI-9 Laser Iridium Spark Plug by NGK features a laser-welded iridium center electrode and platinum disc for exceptional durability and slow wear. Its longer insulator nose with corrugated ribs prevents fouling and flashover, while a triple gasket seal eliminates combustion gas leakage. Designed for vehicle-specific fit, it delivers faster starts, improved acceleration, better fuel economy, and lower emissions, backed by advanced anti-corrosion plating.

## Description

Laser Iridium spark plugs provide superior ignitability and long service life. Smallest tip diameter available iridium/platinum surfaces ensure slow wear rate providing stable idle, superior anti fouling, improved fuel efficiency and lower emissions. Laser welded iridium center electrode tip ensures high durability and greater spark. Platinum disc welded to backside of ground electrode provides long life. Longer insulator nose prevents fouling, Corrugated ribs on insulator prevents flashover, and the triple gasket seal eliminates combustion gas leakage. Faster starts and quicker acceleration. Better fuel economy and lower emissions, trivalent metal plating for superior anti-corrosion and anti-seizing.

Review: Good product - As expected
Review: Utile per moto - I prodotti sono di ottima qualità, ben rifiniti e corrispondono perfettamente alla descrizione. L’imballaggio era curato e la spedizione veloce. Sono molto soddisfatto dell’acquisto e consiglio vivamente a chi cerca oggetti utili e affidabili

## Features

- Laser welded Iridium center electrode tip ensures high durability and greater spark
- Platinum disc welded to backside of ground electrode provides long life
- Longer insulator nose prevents fouling, the corrugated ribs on insulator prevents flashover, and a triple gasket seal eliminates combustion gas leakage
- Faster starts and quicker acceleration
- Better fuel economy and lower emissions, trivalent metal plating for superior anti-corrosion and anti-seizing
- Fit type: Vehicle Specific

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0050514SW |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #14,230 in Automotive ( See Top 100 in Automotive ) #9 in Motorcycle Ignition Parts |
| Brand | NGK |
| Brand Name | NGK |
| Compatible with Vehicle Type | Motorcycle |
| Core Material | Nickel |
| Core material | Nickel |
| Country of Publication | Japan |
| Customer Reviews | 4.6 out of 5 stars 703 Reviews |
| Gap Size | 14 Millimeters |
| Global Trade Identification Number | 00087295167069 |
| Included Components | NGK LKAR8AI-9 Laser Iridium Spark Plug |
| Item Type Name | Spark Plugs |
| Item Weight | 20 Grams |
| Manufacturer | NGK |
| Manufacturer Part Number | LKAR8AI-9 |
| Model Number | 6706 |
| Number of Items | 1 |
| Number of Packs | 1 |
| OEM Equivalent Part Number | 750 39 093 000-KTM |
| Thread Size | M10x1.0 or M12x1.25 |
| Thread size | M10x1.0 or M12x1.25 |
| Top Material Type | Nickel |
| Top material type | Nickel |
| UPC | 087295167069 |
| Unit Count | 1.0 Count |
| Vehicle service type | Motorcycle |

## Product Details

- **Brand:** NGK
- **Core material:** Nickel
- **Thread size:** M10x1.0 or M12x1.25
- **Top material type:** Nickel
- **Vehicle service type:** Motorcycle

## Images

![LKAR8AI-9 Laser Iridium Spark Plug, One Size - Image 1](https://m.media-amazon.com/images/I/81bY55pJnyL.jpg)

## Questions & Answers

**Q: The plug from my sxf 450 says ngk lkar8ai-9 but amazon says this plug listed won't fit my sxf? Could someone clarify**
A: i`m using this plug to my 2010 XC-W 450 Sixdays. i know this plug also works on EXC 450 bikes too.

**Q: Is this fit**
A: For the Duke 390 it is perfect.

**Q: Whats the diference between  lkar8bi9 and the lkar8ai9 spark plug?**
A: That is a question for NGK.

**Q: Will this work on 2015 ktm450sxf?**
A: Yes it fits and works also inj this engine.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good product
*by V***. on 14 November 2025*

As expected

### ⭐⭐⭐⭐⭐ Utile per moto
*by M***A on 30 June 2026*

I prodotti sono di ottima qualità, ben rifiniti e corrispondono perfettamente alla descrizione. L’imballaggio era curato e la spedizione veloce. Sono molto soddisfatto dell’acquisto e consiglio vivamente a chi cerca oggetti utili e affidabili

### ⭐⭐⭐⭐⭐ Deutliche Verbesserungen
*by P***1 on 19 May 2026*

Sehr solide

## Frequently Bought Together

- NGK LKAR8AI-9 Laser Iridium Spark Plug, One Size
- NEW KTM OIL FILTER SERVICE KIT 2014-2021 RC 390 DUKE 90238015010
- KTM Air Filter (2017-2023) (390) - 93006015000

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-10-19*