57.4mm GY6 150cc Cylinder Head Assembly for 152QMI 157QMJ 4-Stroke Scooter ATV

Product Overview

Restore your engine's power with this high-performance 57.4mm Cylinder Head Assembly. Designed specifically for the GY6 150cc (152QMI/157QMJ) engine platform, this non-EGR head comes with valves pre-installed for a seamless installation. Whether you are repairing a TaoTao, Jonway, or Tank scooter, this head is engineered to improve combustion efficiency and thermal management for a smoother, more reliable ride.

Product Compatibility

This assembly is a direct replacement for Non-EGR (no Exhaust Gas Recirculation) GY6 150cc 4-stroke horizontal engines.

Vehicle Type	Compatible Brands & Models
Scooter / Moped	TaoTao 150, Jonway 150, Tank 150, BMS 150, Kymco Agility 150, Ice Bear, Wolf
ATV / Quad	Peace Sports, Roketa, Sunl, Buyang, Coolsport 150cc Models
Go Kart	Hammerhead 150, Carter Talon, Yerf-Dog GX150

Note: Designed for standard 57.4mm bore engines. Please ensure your original head is the Non-EGR version before purchasing.

Specifications

Feature	Measurement
Engine Cycle	4-Stroke
Cylinder Bore	57.4mm
Engine Series	GY6 (152QMI / 157QMJ)
EGR Type	Non-EGR (Standard)
Material	High-Quality Aluminum Alloy
Cooling System	Air Cooled

Key Features

• Optimized Combustion: Refined valve and chamber design maximizes power output and improves fuel economy.
• Premium Thermal Control: High-quality aluminum alloy provides superior heat dissipation to withstand high-load operation.
• Pre-Installed Valves: Comes fully assembled with valves and seals, reducing installation time and complexity.
• Corrosion Resistant: Built with heat-resistant materials to ensure long-term durability in harsh environments.
• Direct OEM Fit: Engineered to original factory specifications for a hassle-free "bolt-on" installation for DIY or pros.