About AITE GASKET
Founded in 1986, AITE GASKET is a family-owned enterprise dedicated to the engine gasket industry. With our core strengths – All Models Coverage, First-to-Market, and Flexible Manufacturing – we provide reliable products and professional services to the global automotive aftermarket.
Our mission: “Create a new future and lead the way in advancing the automotive gasket industry.” Through continuous innovation and customer-oriented professional service, AITE GASKET strives to be a trusted engine gasket manufacturer and service provider for global partners.
When it comes to engine rebuilding and sealing, choosing the right head gasket can make or break performance and durability. Two of the most common options in the market—Multi-Layer Steel (MLS) and traditional Composite gaskets—each serve very different purposes.
But what are the technical differences between Multi-Layer Steel (MLS) and traditional Composite gaskets, and when should you use each?
Multi-Layer Steel (MLS) Head Gaskets
The Material & Structure: Built with multiple layers (typically 3 to 5) of high-strength stainless steel. Different layers are precision-embossed to create spring-like elasticity under clamping loads.
Key Mechanisms: Rely heavily on precision beading (such as our Dual-Seal® technology) around combustion chambers and fluid passages to concentrate clamping force and prevent blowouts.
Best For: Modern high-performance, high-compression, turbocharged, and supercharged engines.
Why it wins: Exceptional rebound resilience, superior heat dissipation, and the ability to handle extreme cylinder pressures without degradation.
⚠️ Requirement: Demands extremely smooth, flat block and cylinder head surface finishes (RA specs) to seal properly.
Composite Head Gaskets
The Material & Structure: Manufactured from fiber, graphite, or non-asbestos composite materials bonded to a perforated steel core (or solid steel shim).
Key Mechanisms: Designed with a softer, more pliable surface layer that acts as a cushion to conform and flow into minor microscopic imperfections.
Best For: Traditional, older-model engines, daily-driver passenger vehicles, and standard or budget-conscious rebuilds.
Why it wins: Highly forgiving! It adapts much better to older, slightly warped engine blocks, minor pitting, or rougher surface finishes where an MLS gasket might leak.
⚠️ Limitation: Prone to thermal relaxation over time and less capable of handling extreme boost pressure compared to steel.
Selection Guide for Builders & Distributors
Surface Finish: Mirror-smooth surfaces = MLS. Standard/older machined surfaces = Composite.
Operating Pressure: High-boost/high-performance applications demand MLS; standard daily driving thrives on reliable composite solutions.
Inventory Strategy: Keeping a balanced stock of both types ensures you can satisfy every segment of the market—from classic rebuilds to modern sports cars.
The Takeaway:
No single gasket fits every engine. Having the right coverage for both modern and traditional engines is the key to keeping your distribution customers satisfied.
At AITE GASKET, we cover it all—delivering precision-engineered MLS and composite solutions backed by nearly 40 years of manufacturing expertise.
Why Choose AITE GASKET as Your Engine Gasket Partner?
Are you an importer, distributor, or OEM partner looking to bring the high quality engine gaskets to your market?
Navigating the competitive automotive aftermarket requires a supplier that understands precision, speed, and reliability. Here is why distributors and buyers across the globe trust AITE GASKET:
- All Models Coverage:
- First-to-Market Strategy
- Flexible Manufacturing
- StableQuality& High level of service
- IATF16949 certification & Nearly 40 Years of Industry Expertise
Get in Touch
We are always ready to help you grow your market share with industry-leading engine sealing solutions.
Contact us today to inquire about a quote!
AITE GASKET — Your Most Reliable Engine Gaskets Partner.
