Golden Eagle intake manifold gasket

Golden Eagle intake gaskets will help reduce intake air temps by removing the direct connection of the intake manifold to the cylinder head. By placing this thermal gasket between the intake manifold and the cylinder head, you will help reduce the amount of heat soak the intake manifold normally absorbs from the cylinder head.

-Thermal Shield Gaskets will reduce heat soak between your intake manifold and your head.
-Made from virgin sheet material with high heat deflection.
-Max operating temperature 500°F/260°C 

Advantages to this System are :

1. Reduces Heat soak / transfer from the engine into the intake manifold where a Manifold Divider Gasket is used
2. Throttle body spacers achieve the same result where most throttle bodies utilise hot water chokes and emission controls.
3. The cooler manifold no longer heats the incoming air which allows increased ignition timing / tuning
4. This modification can be installed without visible signs and can retain factory new vehicle warranties
5. Can be cleaned and refitted multiple times
6. This is considered to be an extension of any Cold Air Induction kit fitted to your vehicle. Why pump cold air in only to be heated by the manifold.

Why do they Work :

1. For every 5 Degree reduction in tempature, increases the density of the air and therfore the power by 1%
2. The cooler the air, the more dense it is with a greater proportion of oxygen molecules.
3. The more air your engine can ingest when it is cooler and denser, the  more air to be mixed with fuel providing greater thermal efficiency
4. With the appropriate tuning, providing more power, fuel economy and most importantly, more reliability

How do they work : 

The intake air in EFI engines is drawn through the airflow meter and throttle body, and then into an alloy intake manifold. 

Whilst within the intake manifold, the air charge picks up unwanted heat from the manifold, increasing its volume and lowering the resistance of the engine to knock. 

By replacing the steel intake manifold gaskets with an insulating spacer, heat conduction to the manifold can be greatly reduced. Less stored heat, less heat transfer to the incoming air charge. 

Phenolic Spacers, with excellent insulating properties, high stiffness, and the ability to withstand 500+ degrees F (260 degrees C), are commonly chosen for similar applications. 

Additionally, the coefficient of thermal expansion of a phenolic is similar to that of aluminium, which helps to reduce sealing problems in this particular use. 

This is further reinforced by separating the throttle body which usually has hot water running through it to the top of the intake manifold. The throttle body retains its choke functions for cold starts etc but no longer transfers the heat into the manifold. 

When compared to the 0.025 inch steel gasket it replaces, a quarter inch thick phenolic insulator will conduct 200-1000 times less heat! 

Something to consider is that your hand can be place on the intake manifold after a drive with the insulators installed, where previously you would have been burned. This is a prod

The graph above shows the results of installing the Heatshield gasket and bypassing the throttle body heating and idle control valve heating. If you examine a Type R intake manifold you will find that most sources of water heating are removed. Further temperature drops are possible when in addition the interior heating hose is blocked. What the graph shows, is that as you open the throttle, the intake temperature drops slowly as it cools the intake. When you descend a hill with the throttle closed or drive around town on a light throttle the temperature climbs quickly. It takes a good 15-20 seconds for the temperature to drop again when you open the throttle. So if you start your 1/4 mile drag with a hot intake manifold - you are only starting to develop maximum power near the end of the run when the intake has been cooled. The Heatshield gasket kit gives you 4-5% more power immediately by lowering the intake temperature. 

Golden Eagle intake manifold gasket B16A/B18C5
Type-R gasket Teflon gasket 3mm model 31802..........RM120
Not suitable for B18 GSR 


Golden Eagle intake manifold gasket B18C
GSR gasket Teflon gasket 3mm model 32626...............RM120
Latest arrival Honda B18C GSR 


Golden Eagle intake manifold gasket 4G93T GSR, 4G9x 
gasket Teflon 3mm model 31800..................................RM120


Golden Eagle intake manifold gasket 4G63 Evo1-3
gasket Teflon 3mm model 31801.....................................RM120

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