---
product_id: 334292066
title: "Iridium IX DCPR7EIX Spark Plugs for 1999-2016 Harley Davidson Twin Cam (Pair)"
brand: "ngk"
price: "22.52 OMR"
currency: OMR
in_stock: true
url: https://www.desertcart.com.om/products/334292066-iridium-ix-dcpr7eix-spark-plugs-for-1999-2016-harley-davidson
store_origin: OM
region: Oman
---

# Up to 3HP power boost Ultra-small 0.4mm iridium electrode Enhanced anti-corrosion plating Iridium IX DCPR7EIX Spark Plugs for 1999-2016 Harley Davidson Twin Cam (Pair)

**Brand:** ngk
**Price:** 22.52 OMR
**Availability:** ✅ In Stock

## Summary

> ⚡ Ignite your ride with precision power and unstoppable style!

## Quick Answers

- **What is this?** Iridium IX DCPR7EIX Spark Plugs for 1999-2016 Harley Davidson Twin Cam (Pair) by ngk
- **How much does it cost?** 22.52 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/334292066-iridium-ix-dcpr7eix-spark-plugs-for-1999-2016-harley-davidson)

## 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

- • **Power Surge Ready:** Unlock up to 3 extra horsepower for your Harley Twin Cam—feel the difference on every ride.
- • **Precision Ignition Tech:** Iridium electrode 25% smaller than platinum, slashing voltage needs and extending ignition life.
- • **Tailored Fit for Harley:** Specifically engineered for 1999-2016 Harley Davidson Twin Cam models—no compromises, just pure power.
- • **Corrosion-Resistant Armor:** New metal shell plating guards against rust and wear, keeping your plugs pristine mile after mile.
- • **Pre-Gapped for Perfection:** Factory pre-gapped for hassle-free installation and optimal spark performance right out of the box.

## Overview

NGK Iridium IX DCPR7EIX spark plugs deliver cutting-edge ignition performance with a 0.4mm iridium center electrode that reduces voltage requirements and extends ignition system life. Designed specifically for 1999-2016 Harley Davidson Twin Cam motorcycles, these plugs come pre-gapped and feature enhanced anti-corrosion metal shell plating, providing up to 3 horsepower gain and long-lasting reliability.

## Description

Iridium IX DCPR7EIX Spark Plugs for 1999-2016 Harley Davidson Twin Cam (Pair)

## Features

- Come pre-gapped
- The ultimate in spark plug technology and performance from the industry leader
- Ultra-small diameter center electrode reduces voltage requirement and extends ignition system life
- New metal shell plating has enhanced anti corrosion qualities

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | NGK |
| Core Material | Iridium |
| Thread Size | 12mm |
| Top Material Type | Metal |
| Vehicle Service Type | Motorcycle |
| Automotive Fit Type | Vehicle Specific Fit |
| UPC | 700155016542 |
| Manufacturer | NGK |
| Model | NGK DCPR7EIX |
| Product Dimensions | 8.41 x 2.39 x 2.11 cm; 40.82 g |
| Item model number | DCPR7EIX |
| Exterior | Painted |
| Manufacturer Part Number | DCPR7EIX |
| Position | Front, Rear |
| Assembly Required | No |
| Manufacturer | NGK |
| Country of Origin | USA |
| Item Weight | 40.8 g |

## Product Details

- **Brand:** NGK
- **Core Material:** Iridium
- **Thread Size:** 12mm
- **Top Material Type:** Metal
- **Vehicle Service Type:** Motorcycle

## Images

![Iridium IX DCPR7EIX Spark Plugs for 1999-2016 Harley Davidson Twin Cam (Pair) - Image 1](https://m.media-amazon.com/images/I/61RTkqyQPKL.jpg)

## Questions & Answers

**Q: Should I gap  to my owners manual spec or are they designed to work with the smaller pre-gap they came with?**
A: Harley Davidson recommends 0.40" gap.  As to "You should never gap an iridium plug", NGK's website states for Harley Davidson, these should be gapped at 0.40".  I've found many websites stating that if re-gap is needed use care not to damage the electrode or the porcelain center.  So, it's not that you should not re-gap, it's that you should be extremely careful.

**Q: Are these 14mm threads?**
A: Yes

**Q: Do you get 1 or 2 spark plugs in this price**
A: Pair / 2 plugs

**Q: Is this 6r12, if so why does it not say so ?**
A: Because these plugs are IX DCPR7EIX 99 TO 16 HARLEY-DAVIDSON

## Frequently Bought Together

- NGK Iridium IX DCPR7EIX Spark Plugs Compatible with 1999-2016 Harley Davidson Twin Cam (Pair)
- K&N Motorcycle Oil Filter: High Performance, Premium, Designed to be used with Synthetic or Conventional Oils: Fits Select Harely Davidson, Buell Motorcycles, KN-171C
- K&N Motorcycle Oil Filter: High Performance, Premium, Designed to be used with Synthetic or Conventional Oils: Fits Select Harely Davidson Motorcycles, KN-171B

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**Shop now:** [https://www.desertcart.com.om/products/334292066-iridium-ix-dcpr7eix-spark-plugs-for-1999-2016-harley-davidson](https://www.desertcart.com.om/products/334292066-iridium-ix-dcpr7eix-spark-plugs-for-1999-2016-harley-davidson)

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*Product available on Desertcart Oman*
*Store origin: OM*
*Last updated: 2026-01-24*