---
product_id: 98016835
title: "NGK Spark Plug LMAR8BI-9 Laser Iridium 91909"
brand: "ngk"
price: "17.61 OMR"
currency: OMR
in_stock: true
reviews_count: 9
url: https://www.desertcart.com.om/products/98016835-ngk-spark-plug-lmar8bi-9-laser-iridium-91909
store_origin: OM
region: Oman
---

# 3x longer service life Ultra-fine iridium ignition Fuel-saving efficiency NGK Spark Plug LMAR8BI-9 Laser Iridium 91909

**Brand:** ngk
**Price:** 17.61 OMR
**Availability:** ✅ In Stock

## Summary

> ⚡ Ignite your ride with precision and power — never settle for less!

## Quick Answers

- **What is this?** NGK Spark Plug LMAR8BI-9 Laser Iridium 91909 by ngk
- **How much does it cost?** 17.61 OMR with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.om](https://www.desertcart.com.om/products/98016835-ngk-spark-plug-lmar8bi-9-laser-iridium-91909)

## 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

- • **Ignition Precision:** Ultra-fine iridium center electrode ensures flawless spark and optimal flame spread for peak engine performance.
- • **Fuel Efficiency Boost:** Superior ignition reduces fuel consumption and emissions, making every drop count towards savings and sustainability.
- • **Seamless Compatibility:** Designed to fit perfectly in high-performance bikes like the Thruxton R and Yamaha MT07 Tracer for hassle-free upgrades.
- • **Trusted by Enthusiasts:** Rated 4.7 stars with glowing reviews praising durability and performance—join the community of savvy riders upgrading smart.
- • **Endurance that Outlasts:** Laser-welded iridium tip delivers 3x longer lifespan than standard plugs, minimizing replacements and downtime.

## Overview

The NGK LMAR8BI-9 Laser Iridium spark plug features a laser-welded ultra-fine iridium center electrode that extends service life by up to three times compared to standard plugs. It optimizes ignition for improved engine performance, reduces fuel consumption, and lowers emissions. Lightweight and designed for front-position installation, it’s a top-rated choice among motorcycle enthusiasts seeking reliable, long-lasting spark plugs.

## Description

Buy NGK Spark Plug LMAR8BI-9 Laser Iridium 91909 at desertcart UK. Free delivery on eligible orders.

Review: High quality long lasting plug! - Why did you choose this product over others?: I wanted a 'long lasting high performance plug for my Thruxton R and this appeared to fit the bill! I changed several things at once (stale fuel, redex, plugs, air filter so it's not possible to say I 'noticed a marked improvement' just because of this!
Review: Super Plugs.👍👍 - I got fed up keep changing plugs on a Yamaha MT07 Tracer. Every time you have to change the plugs you have to half strip the bike. 😖😖😖. So now I have these plugs fitted which should last at least THREE +times longer. 👍👍👍.

## Features

- Longer service life: The use of the precious metal extends the service life of the spark plug compared to standard spark plugs.
- Optimised starting behaviour: The laser-welded, ultra-fine iridium centre electrode ensures perfect ignition performance and promotes the spread of the flame front in the combustion chamber.
- Economical in consumption: The excellent ignition capacity contributes to more efficient engine performance, reduces fuel consumption and environmental pollution.
- Note: Please observe the general installation instructions before installation!
- Scope of delivery: 1x NGK spark plug LMAR8BI-9 Laser Iridium

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B06X9CKC1N |
| Best Sellers Rank | 114,805 in Automotive ( See Top 100 in Automotive ) 566 in Car Spark Plugs |
| Brand | NGK |
| Customer Reviews | 4.7 4.7 out of 5 stars (142) |
| Date First Available | 3 Mar. 2017 |
| Item Weight | 20 g |
| Item model number | LMAR8BI-9 [ 91909 ] |
| Manufacturer | NGK |
| Manufacturer part number | LMAR8BI-9 |
| Model | NGK_5991909_87295919095 |
| OEM Part Number | LMAR8BI-9 |
| Position | Front |
| Product Dimensions | 94 x 24 x 21 cm; 20 g |

## Product Details

- **Brand:** NGK
- **Core material:** Iridium
- **Thread size:** RM
- **Top material type:** Iridium
- **Vehicle service type:** Motorcycle

## Images

![NGK Spark Plug LMAR8BI-9 Laser Iridium 91909 - Image 1](https://m.media-amazon.com/images/I/81gzo4iJZRL.jpg)
![NGK Spark Plug LMAR8BI-9 Laser Iridium 91909 - Image 2](https://m.media-amazon.com/images/I/61eEqPTencL.jpg)
![NGK Spark Plug LMAR8BI-9 Laser Iridium 91909 - Image 3](https://m.media-amazon.com/images/I/71nkpzwtrCL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ High quality long lasting plug!
*by A***R on 22 June 2025*

Why did you choose this product over others?: I wanted a 'long lasting high performance plug for my Thruxton R and this appeared to fit the bill! I changed several things at once (stale fuel, redex, plugs, air filter so it's not possible to say I 'noticed a marked improvement' just because of this!

### ⭐⭐⭐⭐⭐ Super Plugs.👍👍
*by M***G on 8 May 2025*

I got fed up keep changing plugs on a Yamaha MT07 Tracer. Every time you have to change the plugs you have to half strip the bike. 😖😖😖. So now I have these plugs fitted which should last at least THREE +times longer. 👍👍👍.

### ⭐⭐⭐⭐⭐ Durability top specification
*by L***W on 29 March 2024*

Have used before very good product lasts longer than original plugs, engine fire's up first time not missed a beat in years

## Frequently Bought Together

- CANDLE NGK LMAR8BI-9
- NGK (4908 LMAR7A-9 Standard Spark Plug, Pack of 1
- K&N Motorcycle Oil Filter: High Performance, Premium, Designed to be used with Synthetic or Conventional Oils: Fits Select Honda, Kawasaki, Triumph, Yamaha Motorcycles, KN-204-1

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**Shop now:** [https://www.desertcart.com.om/products/98016835-ngk-spark-plug-lmar8bi-9-laser-iridium-91909](https://www.desertcart.com.om/products/98016835-ngk-spark-plug-lmar8bi-9-laser-iridium-91909)

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*Product available on Desertcart Oman*
*Store origin: OM*
*Last updated: 2026-03-10*