---
product_id: 128427932
title: "Spark Plug LFR6A 6668 (Pack of 4) Watercraft FX FZR FZS VX VXR VXS Reach 26.5mm Hex Size 16mm Gap 0.9mm Resistor Value 5K Ohm"
brand: "ngk"
price: "€ 75.29"
currency: EUR
in_stock: true
category: "Ngk"
url: https://www.desertcart.hr/products/128427932-spark-plug-lfr6a-6668-pack-of-4-watercraft-fx-fzr
store_origin: HR
region: Croatia
---

# V-cut electrode for rapid spark 0.9mm precise gap for max ignition 26.5mm reach, perfect fit Spark Plug LFR6A 6668 (Pack of 4) Watercraft FX FZR FZS VX VXR VXS Reach 26.5mm Hex Size 16mm Gap 0.9mm Resistor Value 5K Ohm

**Brand:** ngk
**Price:** € 75.29
**Availability:** ✅ In Stock

## Summary

> ⚡ Ignite your ride with NGK’s precision spark power!

## Quick Answers

- **What is this?** Spark Plug LFR6A 6668 (Pack of 4) Watercraft FX FZR FZS VX VXR VXS Reach 26.5mm Hex Size 16mm Gap 0.9mm Resistor Value 5K Ohm by ngk
- **How much does it cost?** € 75.29 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/128427932-spark-plug-lfr6a-6668-pack-of-4-watercraft-fx-fzr)

## 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

- • **Optimized Spark Gap:** 0.9mm gap engineered to maximize ignitability and reduce misfires, enhancing engine efficiency.
- • **Reliable Copper Core:** Premium copper core delivers superior conductivity and durability under high-performance conditions.
- • **Precision Ignition Boost:** Unique V-cut electrode accelerates spark development for faster starts and smoother rides.
- • **Trusted Brand & Warranty:** NGK’s manufacturer-backed quality with a 4.7-star rating ensures confidence and long-lasting performance.
- • **Tailored Fit for Watercraft:** 26.5mm reach and 16mm hex size ensure seamless compatibility with FX, FZR, FZS, VX, VXR, and VXS models.

## Overview

The NGK LFR6A 6668 Spark Plug pack of 4 features a unique V-cut electrode design for rapid spark delivery, a 26.5mm reach and 16mm hex size tailored for popular watercraft models, and a precise 0.9mm gap to optimize ignition. Built with a copper core for enhanced conductivity and backed by NGK’s trusted warranty, these plugs deliver reliable, high-performance starts and smooth engine operation.

## Description

Genuine 4 pack NGK V-Power LFR6A 6668 Spark Plug

## Features

- NGK V-Power plugs feature a unique v-cut in the center electrode that directs the spark to the edge of the electrode, helping the spark develop more rapidly, increasing ignitability and reducing quenching
- Brand new
- NGK Spark Plugs

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07PGPVQFL |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #12,152 in Automotive ( See Top 100 in Automotive ) #57 in Automotive Replacement Spark Plugs |
| Brand Name | NGK |
| Compatible with Vehicle Type | Car, Truck |
| Core Material | Copper |
| Customer Reviews | 4.7 4.7 out of 5 stars (281) |
| Gap Size | 0.9 Millimeters |
| Included Components | 6668 |
| Item Weight | 7.68 ounces |
| Manufacturer | NGK |
| Manufacturer Part Number | LFR6A-6668 |
| Manufacturer Warranty Description | Includes manufacturer provided warranty |
| Model Number | 6668 |
| OEM Equivalent Part Number | LFR6A-6668 |
| Thread Size | M |
| Top Material Type | copper |
| UPC | 087295176016 |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** NGK
- **Core Material:** Copper
- **Thread Size:** M
- **Top Material Type:** copper
- **Vehicle Service Type:** Car, Truck

## Images

![Spark Plug LFR6A 6668 (Pack of 4) Watercraft FX FZR FZS VX VXR VXS Reach 26.5mm Hex Size 16mm Gap 0.9mm Resistor Value 5K Ohm - Image 1](https://m.media-amazon.com/images/I/61ldxKzBdCL.jpg)

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**Shop now:** [https://www.desertcart.hr/products/128427932-spark-plug-lfr6a-6668-pack-of-4-watercraft-fx-fzr](https://www.desertcart.hr/products/128427932-spark-plug-lfr6a-6668-pack-of-4-watercraft-fx-fzr)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-07-16*