47mm Completed Cylinder Head Assembly for 4-Stroke 70cc Engine ATV Go Kart Dirt Bike

Product Overview

Get your vehicle back on the trail quickly with the GOOFIT 47mm Completed Cylinder Head. This is a comprehensive, standard-sized replacement kit designed for most Chinese-made 4-stroke 70cc horizontal engines. Featuring pre-installed intake and exhaust valves, this "replace and ride" assembly eliminates the hassle of complex top-end rebuilds, ensuring a perfect seal and restored engine compression.

Product Compatibility

A universal replacement for 4-stroke 70cc engines found in a wide variety of power sports vehicles.

Vehicle Type	Common Application	Fitment Note
ATVs / Quads	70cc Youth ATVs	Fits TaoTao, Coolster, Buyang
Dirt Bikes	70cc Pit Bikes	Horizontal Engine Models
Go Karts	70cc Buggies & Karts	Standard Bolt Pattern
Mini Bikes	70cc 4-Stroke Trail Bikes	Direct Bolt-on Fit

Specifications

Attribute	Details
Cylinder Bore Size	47mm / 1.85"
Intake Valve Length	45mm / 1.77"
Exhaust Valve Length	44mm / 1.73"
Engine Type	4-Stroke Horizontal
Displacement	70cc
Assembly Status	Completed (Valves Pre-installed)

Key Features

• "Replace and Ride" Simplicity: This complete assembly replaces your existing worn-out cylinder head, allowing for a fast and straightforward installation without the need for specialized valve-spring tools.
• Standard-Sized Precision: Precision-engineered to 47mm bore specifications, ensuring perfect compatibility with standard 70cc pistons and gaskets.
• Pre-Installed Valve Train: Comes fully equipped with 45mm intake and 44mm exhaust valves, precision-seated to provide maximum compression and prevent power loss.
• High-Grade Material: Manufactured from premium aluminum alloy for excellent thermal conductivity, keeping your 4-stroke engine running cool under heavy loads.
• Broad Compatibility: Designed to fit the vast majority of Chinese 70cc engines, making it the ideal choice for TaoTao, Coolster, Roketa, and more.