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RCM EJ25 2006+ 1.1mm Multi Layer High Performance Cylinder Head Gasket - RCM1693
RCM EJ25 2006+ 1.1mm Multi Layer High Performance Cylinder Head Gasket - RCM1693 RCM EJ25 2006+ 1.1mm Multi Layer High Performance Cylinder Head Gasket - RCM1693 RCM EJ25 2006+ 1.1mm Multi Layer High Performance Cylinder Head Gasket - RCM1693

Roger Clark MotorsportManufacturer: Roger Clark Motorsport

Price 88,19 EUR Price incl. VAT 108,48 EUR

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The latest addition to our range of head gaskets are the EJ22 98mm bore, produced with the correct water jacket cut outs to suit 2006+ cylinder heads.

Engineered to perform under the most extreme of conditions our cylinder head gaskets are rated for use up to and over 600BHP.

Unlike most conventional cylinder head gaskets, our gaskets use what is most commonly known as a “folded stopper level”. This revolutionary design dramatically reduces the chances of any pressure leakage from the cylinders. An increased thickness in the gasket is introduced around vital sealing areas and the design of this extra layer forms a much stronger barrier to prevent gasses / pressure / water and oil escaping from its designated area. The layer acts as a very reliable defence and is highly recommended for any Subaru, specifically those running above the standard factory torque / horsepower figures.

In conjunction with this new technology our gaskets also feature a unique nitrile rubber coating. This coating is designed to act as a cushion in which to fill / take up any areas of imperfection found in either the cylinder head or block faces, to ensure you have the very best combustion chamber armour!

Finally our cylinder head gaskets are all stamped from dies as appose to laser cut. With die stamping you can process a large amount of material at once which means that variations in the quality of each individual gasket is far less compared to laser cutting (in which each gasket section is cut separately to one another). With Die Cutting the finished edges are also far superior, leaving a much smoother, neater edge to the gasket as appose to laser cut steel which leaves a sharper edge behind.

For the ultimate seal all our gaskets are manufactured and designed to accept the larger 12mm and 14mm cylinder head studs also available from our online store. The standard cylinder head bolt (the component that joins the cylinder head to the block and offers force to seal your cylinder head gasket in place) is 11mm thick and uses a relatively fine thread. It is important to remember this bolt was developed for use on a mainstream engine producing no more than 320Bhp, Subaru did not manufacture this bolt for use with anything above this power and as such it is important to consider stronger and more suitable replacements. Here at RCM we manufacture both a 12mm and 14mm replacement head stud and nut kits. The studs are naturally stronger due to their extra thickness and superior material quality but they also benefit from a much coarser rolled thread (meaning you can tighten them far more than the standard bolt which in turn will offer a much higher clamping load between both the cylinder head and block faces where you head gasket is situated.)

Reliability is key to any engine rebuild, whether done for higher horsepower applications or just a simple repair / refresh its important to choose your components wisely so that you don’t end up repeating the process later down the line.

Gaskets are priced individually. You will need to purchase x2 gaskets for a Subaru engine build.



• Available Sizes: 0.78mm | 1.1mm | 1.5mm

• Fitment: EJ22 cylinder block with EJ25 2006+ cylinder heads.

• 14mm Diameter Head Stud / Bolt Holes (Also suitable for use with Standard Head Bolts and 11mm Stud Kits

• Die Cut

• Folded Stopper Layers

• Multi Layer Steel Gasket (MLS)

• Nitrile Rubber Coated 



• Improved sealing capacity over conventional gaskets thanks to its Nitrile Rubber Coating.
• Increased protection around combustion chambers by means of its Folded Stopper Layers.
• Die Cut precision manufactured for the highest quality finish and fitment.
• Ready for immediate use our larger 12mm & 14mm head stud kits
• Complete range of sizes available for all EJ20, EJ22, EJ25, EJ25+ series engines.



Please Note, these are individual head gaskets, you will need to add 2 x gaskets to your basket if you require a pair.

Custom build engines utilizing the EJ25 cylinder block. 



Product Features

Price 88,19 EUR

VAT 23%

Price incl. VAT 108,48 EUR

By weight 0,2000 kg


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