---
product_id: 41906185
title: "TOP NOTCH PARTS440cc BIG BORE CYLINDER PISTON RINGS TOP END KIT FOR FITS HONDA TRX400EX TRX400X 1999-2014"
brand: "top notch parts"
price: "€ 432.41"
currency: EUR
in_stock: true
url: https://www.desertcart.hr/products/41906185-top-notch-parts440cc-big-bore-cylinder-piston-rings-top-end
store_origin: HR
region: Croatia
---

# Ceramic Coating Complete Kit 440cc Power TOP NOTCH PARTS440cc BIG BORE CYLINDER PISTON RINGS TOP END KIT FOR FITS HONDA TRX400EX TRX400X 1999-2014

**Brand:** top notch parts
**Price:** € 432.41
**Availability:** ✅ In Stock

## Summary

> 🏁 Rev Up Your Adventure with the Ultimate Upgrade!

## Quick Answers

- **What is this?** TOP NOTCH PARTS440cc BIG BORE CYLINDER PISTON RINGS TOP END KIT FOR FITS HONDA TRX400EX TRX400X 1999-2014 by top notch parts
- **How much does it cost?** € 432.41 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/41906185-top-notch-parts440cc-big-bore-cylinder-piston-rings-top-end)

## Best For

- top notch parts enthusiasts

## Why This Product

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

## Key Features

- • **Unleash Your Ride:** Transform your Honda TRX400EX with a powerful 440cc upgrade!
- • **All-Inclusive Package:** Everything you need for a seamless installation in one kit.
- • **OEM Quality, Elevated:** Superior quality that rivals or exceeds OEM standards.
- • **Race-Ready Performance:** Tested in XC and GNCC racing for unbeatable reliability.
- • **Heat Resistance Champion:** Ceramic-coated piston ensures longevity and performance.

## Overview

The 440cc Big Bore Cylinder Piston Rings Top End Kit is designed for Honda TRX400EX and TRX400X models from 1999 to 2014. This comprehensive kit includes all necessary components for a complete engine upgrade, featuring a ceramic-coated piston for enhanced heat resistance and durability. Perfect for racing enthusiasts looking to boost performance and reliability.

## Description

TOP NOTCH PARTS440cc BIG BORE CYLINDER PISTON RINGS TOP END KIT FOR FITS HONDA TRX400EX TRX400X 1999-2014

## Features

- Replaces OEM part numbers 12100-KCY-670 12191-KCY-672 13011-KCY-670 13101-KCY-670 90601-KA5-000 13111-KCY-670 12251-HN1-003 12391-KCY-671 14560-KCW-851
- 2 YEARS XC AND GNCC RACING TESTED
- Piston top has a ceramic coating providing superior heat resistance which will extend the life span of the piston. * this is the best quality kit! equal to or better than OEM
- Purchase includes: 1x cylinder 1x piston. 1x piston pin. 2x circlips. 1x complete set of rings. 1x head gasket. 1x base gasket. 1x head cover gasket. 1x chain tensioner gasket. 1x gasket maker. 1x thread lock. 1x fuel filter. 1x oil filter. 1x free NGK spark plug
- for 1999 - 2008 Honda TRX 400ex.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | TOP NOTCH PARTS LLC |
| Brand | TOP NOTCH PARTS |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | TNP-BKB39033 |

## Images

![TOP NOTCH PARTS440cc BIG BORE CYLINDER PISTON RINGS TOP END KIT FOR FITS HONDA TRX400EX TRX400X 1999-2014 - Image 1](https://m.media-amazon.com/images/I/817QhsoqkBL.jpg)
![TOP NOTCH PARTS440cc BIG BORE CYLINDER PISTON RINGS TOP END KIT FOR FITS HONDA TRX400EX TRX400X 1999-2014 - Image 2](https://m.media-amazon.com/images/I/814Jvib6cqL.jpg)

## Frequently Bought Together

- TOP NOTCH PARTS 440cc BIG BORE CYLINDER PISTON RINGS TOP END KIT FITS HONDA TRX400EX TRX400X 1999-2014
- WFLNHB Carburetor Intake Boot Replacement for Honda Sportrax 400 TRX400EX 1999 2000-2008

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-04-25*