---
product_id: 282270098
title: "NTHREEAUTO Exhaust Flange Gasket Kit, Heavy Duty Hex Acorn Nuts Retaining Rings Set Compatible with Harley Sportster Dyna Softail Road King Touring"
brand: "nthreeauto"
price: "¥159"
currency: JPY
in_stock: false
reviews_count: 5
url: https://www.desertcart.jp/products/282270098-nthreeauto-exhaust-flange-gasket-kit-heavy-duty-hex-acorn-nuts
store_origin: JP
region: Japan
---

# Leak-proof exhaust sealing Precision-fit hex acorn nuts Easy no-mod installation NTHREEAUTO Exhaust Flange Gasket Kit, Heavy Duty Hex Acorn Nuts Retaining Rings Set Compatible with Harley Sportster Dyna Softail Road King Touring

**Brand:** nthreeauto
**Price:** ¥159
**Availability:** ❌ Out of Stock

## Summary

> 🔥 Seal the deal with every ride! Upgrade your Harley’s exhaust game 🚀

## Quick Answers

- **What is this?** NTHREEAUTO Exhaust Flange Gasket Kit, Heavy Duty Hex Acorn Nuts Retaining Rings Set Compatible with Harley Sportster Dyna Softail Road King Touring by nthreeauto
- **How much does it cost?** ¥159 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/282270098-nthreeauto-exhaust-flange-gasket-kit-heavy-duty-hex-acorn-nuts)

## Best For

- nthreeauto enthusiasts

## Why This Product

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

## Key Features

- • **Precision Dimensions:** Outer Ø 51-51.5mm, Inner Ø 43-43.5mm, Thickness 1.65-1.75mm for flawless fit
- • **Heavy-Duty Durability:** Robust hex acorn nuts and retaining rings built to last
- • **Hassle-Free Installation:** Snap rings and nuts designed for quick, no-mod replacement
- • **Optimal Exhaust Performance:** Seals exhaust ports to maintain gas velocity and prevent leaks
- • **Perfect Harley Compatibility:** Fits Sportster, Dyna, Softail & more—except V-ROD

## Overview

The NTHREEAUTO Exhaust Flange Gasket Kit is a heavy-duty replacement set designed specifically for Harley models including Sportster, Dyna, Softail, Road King, and Touring. Featuring precision-engineered hex acorn nuts and retaining rings, this kit ensures a leak-proof seal to maintain optimal exhaust gas flow. With exact dimensions and easy installation, it’s the essential upgrade for riders who demand reliability and performance.

## Description

Full description not available

## Features

- 【Compatibility】Exhaust port gaskets kit compatible with Harley Sportster, Dyna, Cruiser, Touring, Softail, Road King, Street Glide, Fat Boy. Except for V-ROD.
- 【Best Equivalent Replacement】Keep the exhaust gas from leaking to make sure the gas velocity. Every time you reinstall or clean the exhaust port, be sure to replace the exhaust gasket.
- 【Size】The exhaust gaskets snap rings sold as a pair, the hex nuts sold as 4pcs. Outer diameter 51-51.5mm, Inner diameter 43-43.5mm, Thickness 1.65-1.75mm.
- 【Easy Installation】Easy to install. Fits well, no modification needed.
- 【Buy with Confidence】You will get 1set Harley exhaust gaskets kit.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | NTHREEAUTO |
| Brand | NTHREEAUTO |
| Item Weight | 2.08 ounces |
| Package Dimensions | 3.62 x 2.13 x 1.97 inches |
| Manufacturer Part Number | FBAN3MP24900 |

## Product Details

- **Brand:** NTHREEAUTO
- **Material:** Oem
- **Manufacturer:** NTHREEAUTO

## Images

![NTHREEAUTO Exhaust Flange Gasket Kit, Heavy Duty Hex Acorn Nuts Retaining Rings Set Compatible with Harley Sportster Dyna Softail Road King Touring - Image 1](https://m.media-amazon.com/images/I/61o2ZKJcz1L.jpg)
![NTHREEAUTO Exhaust Flange Gasket Kit, Heavy Duty Hex Acorn Nuts Retaining Rings Set Compatible with Harley Sportster Dyna Softail Road King Touring - Image 2](https://m.media-amazon.com/images/I/61FTu9+4BHL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Decent Quality
*by D***N on April 7, 2024*

Nice installation kit for Harley pipes, withheavy duty nuts...

### ⭐⭐⭐⭐⭐ Perfect Fit For My 2016 Road King
*by T***  on January 17, 2024*

Quality at a great price

### ⭐⭐⭐⭐⭐ fast shipping, good quality product
*by K***R on August 24, 2023*

Good quality parts

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**Shop now:** [https://www.desertcart.jp/products/282270098-nthreeauto-exhaust-flange-gasket-kit-heavy-duty-hex-acorn-nuts](https://www.desertcart.jp/products/282270098-nthreeauto-exhaust-flange-gasket-kit-heavy-duty-hex-acorn-nuts)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-01-28*