Throttle body throttle gate valve body aluminium alloy 70mm Honda K20A car engine modification upgrade replacement part in black or silver finish
Honda K20A Throttle Body: 70mm Aluminium Alloy Replacement & Modification Part

This product is a throttle gate valve body manufactured from aluminium alloy, intended for use with Honda K20A engines. It acts as a core component within the engine's air intake system, controlling the volume of air entering the engine. Its primary function is as a direct replacement for an existing, worn, or damaged unit, or as a modification part for those undertaking engine upgrades. The stated specification includes a size of approximately 70mm (2.8in) and a choice between black or silver finishes, with no additional performance data or claims provided. This description covers the factual details of the component's construction, fitment, and available options.
Features and Construction

This throttle body is defined by its material composition, specific dimensions, and engine compatibility, forming the basis of its practical application.
Material and Build
The throttle body is constructed from aluminium alloy, a common material in automotive manufacturing chosen for its favourable strength-to-weight ratio. This makes it suitable for the high-temperature and vibrational environment of an engine bay. The build is centred around its function as a throttle gate valve body, which is the mechanical assembly responsible for regulating airflow into the engine's intake manifold based on driver input.
Size and Practical Fit
A key specification is the component's size, listed as approximately 70mm, which equates to 2.8 inches. This measurement is critical for ensuring physical compatibility during installation onto the Honda K20A engine. The product is confirmed as an accessory fit for the Honda K20A, indicating it is designed to mount and operate correctly within that specific engine's intake system architecture.
Uses and Placement

The throttle body has clear, defined applications rooted in automotive maintenance and modification.
Event or Professional Use
For professional mechanics or enthusiasts involved in vehicle servicing, this part serves as a standard replacement component. It can be used to restore engine performance where the original throttle body has failed or is showing signs of wear, such as sticking valves or air leaks. It provides a like-for-like functional solution based on the stated material and dimensions.
Everyday Home Use
For the knowledgeable home mechanic with a Honda vehicle powered by a K20A engine, this part enables DIY repair or planned upgrades. It allows for the maintenance of vehicle functionality without the need for professional part sourcing, assuming the user has the requisite skills and tools for safe installation on their engine.
Benefits and Buying Value

The value of this component lies in its specificity and the practical role it plays in vehicle operation.
Reuse and Low Maintenance
As a metal mechanical part, it is designed for repeated use over the lifespan of the vehicle installation. Maintenance would involve standard practices for throttle bodies, such as periodic cleaning of the bore and plate to ensure smooth operation, which is a common procedure for this type of component.
Why Choose This Product
This product is chosen for its confirmed compatibility with the Honda K20A engine and its construction from standard automotive-grade aluminium alloy. The availability of a colour choice (black or silver) may allow for aesthetic matching with other engine bay components. It provides a factual, specification-led option for a necessary engine part without unsupported claims about performance enhancement.





