---
product_id: 539687086
title: "ATGT-021 GY6 125cc 150cc to 155cc 58.5mm Performance Cylinder Head Assy with Valves Set for 152QMI 157QMJ Chinese Scooter Moped ATV Go Kart Engine (None EGR Type)"
brand: "glixal"
price: "€ 75.65"
currency: EUR
in_stock: true
url: https://www.desertcart.ie/products/539687086-atgt-021-gy6-125cc-150cc-to-155cc-58-5mm-performance
store_origin: IE
region: Ireland
---

# High-performance 155cc upgrade 76mm bolt pattern with 4-bolt valve cover 58.5mm combustion chamber diameter ATGT-021 GY6 125cc 150cc to 155cc 58.5mm Performance Cylinder Head Assy with Valves Set for 152QMI 157QMJ Chinese Scooter Moped ATV Go Kart Engine (None EGR Type)

**Brand:** glixal
**Price:** € 75.65
**Availability:** ✅ In Stock

## Summary

> ⚡ Upgrade your ride, dominate the streets with Glixal power!

## Quick Answers

- **What is this?** ATGT-021 GY6 125cc 150cc to 155cc 58.5mm Performance Cylinder Head Assy with Valves Set for 152QMI 157QMJ Chinese Scooter Moped ATV Go Kart Engine (None EGR Type) by glixal
- **How much does it cost?** € 75.65 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/539687086-atgt-021-gy6-125cc-150cc-to-155cc-58-5mm-performance)

## Best For

- glixal enthusiasts

## Why This Product

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

## Key Features

- • **Wide Compatibility:** Fits top Chinese scooter and ATV brands like JONWAY, TAOTAO, Kazuma, and more
- • **Non-EGR Clean Power:** Eliminates EGR port for a cleaner, more reliable combustion process
- • **Durable & Lightweight:** Crafted by Glixal with premium materials, weighing just 1.15kg for easy installation
- • **Optimized Valve Design:** Intake valve 28mm & exhaust valve 23mm for enhanced airflow and efficiency
- • **Precision Fit for GY6 Engines:** Seamlessly upgrades 125cc-150cc to a powerful 155cc performance boost

## Overview

The Glixal ATGT-021 Cylinder Head Assembly is a precision-engineered, high-performance upgrade designed for GY6 125cc to 150cc engines, boosting capacity to 155cc. Featuring a 58.5mm combustion chamber, optimized valve sizes, and a 76mm bolt pattern, this non-EGR head ensures cleaner combustion and fits a wide range of popular Chinese scooters and ATVs. Lightweight and durable, it’s the perfect upgrade for millennial riders craving power and reliability.

## Description

1.This Cylinder Head Will Replace The EGR Head as long as You Have The Correct Valve Cover2.High Performance 155cc Upgrade Cylinder Head for GY6 125cc to 150cc 4 Stroke Engine3.Fits Most of Chinese Made Scooters and ATV. Such as JONWAY, JMSTAR, ROKETA, SUNL, TANK, PEACE, TAOTAO, Dongfang, Kazuma, JCL, BMS

## Features

- Fits the GY6 125cc 150cc to 155cc Engine with a 60mm Tall Head,76mm Bolt Pattern & 4 Bolt Valve Cover
- Intake Valve: Outside Diameter 28mm / Length 66mm
- Exhaust Valve: Outside Diameter 23mm / Length 65.5mm
- Combustion Chamber Diameter-58.5mm
- This a Non EGR Head, Does Not Have the EGR Port

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Glixal |
| Brand | Glixal |
| Package Dimensions | 15.8 x 14.4 x 8 cm; 1.15 kg |
| Manufacturer reference | ATGT-021 |
| Manufacturer part number | ATGT-021 |
| Item Weight | 1.15 kg |

## Images

![ATGT-021 GY6 125cc 150cc to 155cc 58.5mm Performance Cylinder Head Assy with Valves Set for 152QMI 157QMJ Chinese Scooter Moped ATV Go Kart Engine (None EGR Type) - Image 1](https://m.media-amazon.com/images/I/71wWFtSGBRL.jpg)

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**Shop now:** [https://www.desertcart.ie/products/539687086-atgt-021-gy6-125cc-150cc-to-155cc-58-5mm-performance](https://www.desertcart.ie/products/539687086-atgt-021-gy6-125cc-150cc-to-155cc-58-5mm-performance)

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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-01-28*