Vendeur: GOOFIT

Cylinder Head Assembly with Valves & Springs for 4-Stroke GY6 49cc 50cc 139QMB 139QMA Engine

18,91 €33,52 €43% OFF
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Détails du produit

Product Overview

Restore the compression and smooth idling of your 50cc scooter with the GOOFIT Professional Complete Cylinder Head Kit. This high-quality replacement is designed for the 4-stroke GY6 139QMB/139QMA engine platform. Unlike bare heads, this kit comes fully loaded with intake/exhaust valves, springs, and seals already installed (as pictured), providing a direct "bolt-on" solution to fix leaky valves or cracked heads without the need for specialized engine tools.

Product Compatibility

A standard OEM-spec replacement for 4-stroke 49cc/50cc Chinese engines.

Engine Platform Displacement Vehicle Type
GY6 139QMB 49cc / 50cc Gas Scooters, Mopeds
GY6 139QMA 49cc / 50cc ATVs, Quads, Karts
Compatible Brands TaoTao, Peace Sports Wolf, Ice Bear, Bacci

Specifications

Attribute Details
Bore Compatibility Standard 39mm (50cc)
Engine Type 4-Stroke GY6 Air-Cooled
Included Components Cylinder Head, Intake/Exhaust Valves, Springs, Clips, Seals, Studs, Gaskets
Assembly Status Fully Loaded / Pre-Assembled
Spark Plug Type Fits A7TC / C7HSA (Standard)

Key Features

  • Complete "Ready-to-Install" Bundle: This is a fully equipped cylinder head featuring pre-installed valves, heavy-duty springs, and clips, saving you the time and frustration of a manual rebuild.
  • Premium Heat Dissipation: Engineered with a high-efficiency fin structure that rapidly draws heat away from the combustion chamber, ensuring stable performance during long commutes.
  • Industrial-Grade Durability: Cast from high-toughness, corrosion-resistant alloys that are rustproof and designed to withstand the wear and tear of daily street use.
  • Perfect Gas Sealing: Includes high-quality head and base gaskets to provide an airtight seal, restoring lost power and significantly improving fuel efficiency.
  • Meticulous Precision Fit: Every component is built to match original factory specifications, ensuring a seamless installation for TaoTao, Sunshine, and other popular Chinese 50cc brands.