ATHENA Racing Cut Ring Mitsubishi EVO 1-3 4G63 Head gasket
NO Machining is required, These gaskets are Recommended for high-boost applications 86.6mm Bore 1.3mm thick

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CUT RING GASKETS
Produced in very high quality stainless steel cut rings exceed the sealing capabilities of conventional fire rings
and optimise engine performance.
FEATURES
Use of reinforced material M0115 renowned for being asbestos-free, original equipment approved, superior
quality.
Supplied with separate stainless steel rings (AISI 304) ensuring maximum sealing around the cylinder bore
also on engines with NOS and/or turbo applications in which boost exceeds 2 bar. No head and block
machining is required.
Silicon-based beading is applied on critical areas to improve sealing around all water and oil cooling
passages.
INSTALLATION NOTES
Please ensure the embossments are facing the engine
head.
| Product Name | ATHENA Racing Cut Ring Mitsubishi EVO 1-3 4G63 Head gasket |
|---|---|
| Brands | ATHENA |
| Engine | 4G63 |
| Make | Mitsubishi |
Delivery & Freight
We are an Australian-based company that ships items nationally and internationally, usually within 48 hours of receiving your order. High-value items shipped internationally are sent via DHL Express, while lower-value items are sent via Australia Post Express unless otherwise instructed.
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Disclaimer:
Product images are for description purposes only. Actual product may vary.
Shipping calculations available at checkout.
If you are unsure, get in touch by emailing [email protected], messaging us on Facebook, or phoning us at +61 7 5645 1333 (8am to 2pm AET).
What surface finish is required for an MLS head gasket?
MLS gaskets require a smooth, consistent RA surface finish on both the block and head. Your machinist should follow the gasket manufacturer’s recommended RA values.
Can I reuse head studs or bolts?
Quality studs may be reused if undamaged. Torque-to-yield bolts are usually single-use. Follow the fastener manufacturer’s recommendations.
What are the benefits of using the ATHENA Racing Cut Ring gasket for my 4G63 engine?
The ATHENA Racing Cut Ring gasket provides superior sealing capabilities compared to conventional fire rings, making it ideal for high-boost applications. Its stainless steel cut rings ensure maximum sealing around the cylinder bore, especially beneficial for engines running NOS or turbo setups exceeding 2 bar.
Is any machining required when installing the ATHENA Racing Cut Ring gasket?
No machining is required for the installation of the ATHENA Racing Cut Ring gasket. This feature simplifies the installation process while still providing reliable sealing performance.
What is the recommended bore size and thickness for the ATHENA Racing Cut Ring gasket?
The ATHENA Racing Cut Ring gasket is designed for an 86.6mm bore and has a thickness of 1.3mm, making it suitable for the Mitsubishi 4G63 engine in high-performance applications.
How should I install the ATHENA Racing Cut Ring gasket?
When installing the ATHENA Racing Cut Ring gasket, ensure that the embossments are facing the engine head. This orientation is crucial for achieving the best sealing performance.
Can the ATHENA Racing Cut Ring gasket handle high boost levels?
Yes, the ATHENA Racing Cut Ring gasket is specifically designed for high-boost applications, making it suitable for setups that exceed 2 bar of boost pressure.