4.055" Cometic 6.1L HEMI MLS Head Gasket for Sleeved Aluminum Blocks (QTY 1)
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Cometic combines advanced materials with the most current manufacturing processes to provide custom-tailored solutions to meet the needs of each individual customer. Our design engineers have the ability to analyze the environment in which the gasket will perform, select the proper material, and apply the appropriate technology to offer the highest performing gaskets available on the market. Cometic Gaskets are the industry standard for championship-winning teams across multiple disciplines of both professional and amateur motorsports.
MLS (Multi-Layer Steel) Head GasketsProvide maximum sealing performance for today’s high output engines and require no sealants. MLS gaskets are ideal for both aluminum heads to aluminum blocks and aluminum heads to cast iron blocks. They can withstand the shearing force created by the two materials. MLS gaskets have increased strength because they are comprised of multiple layers of stainless steel; which also creates the ability to rebound and resist corrosion. The outer layers are embossed and coated on both sides with Viton (a flouroelastomer rubber based material that is heat resistant to 250 C/ 482 F). Viton is designed to meet the demands of a variety of harsh sealing environments, load conditions, and surface finishes. The center or shim layer is uncoated stainless steel, which can be varied to accommodate multiple thickness requirements.
A2Speed has every HEMI upgrade you could imagine. Search through a catalog of our favorite performance upgrades for each engine platform.SHOP NOW
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- About Us
- What We Do
- How We Do It
- Our Quality
A2Speed’s GEN III HEMI BackgroundMany of us at A2Speed have been working on the Gen III since its inception. As a team we are immersed in the Hemi world. We own, drive, modify, race and occasionally…break them. We use this experience to create SOLUTIONS, not just parts. Automotive engineering has advanced such that it is often difficult to improve on the work done by the OEMs. Difficult, not impossible. Utilizing advanced 3D modeling, CFD and stress simulations coupled with rapid prototyping, allow for the development of specialized parts that would be impractical at OEM volumes. Solutions validated with real world testing. Craftsmen level quality; and because we don’t have the layered overhead, our prices are often at or below the OEM price.
Advanced Aerospace Grade MachiningProduction manufacturing is performed by partner companies that have proven track records for quality and timely deliveries. We look for certifications such as ISO-9001 and AS-9100 along with ITAR and GIDEP registrations. Several of the companies we work with regularly supply major aerospace firms and the DOD. Why use outside machining services? So that you get a better part at a better price. By utilizing only the machine cycles we need, and leveraging the superior skills and years of experience, A2Speed can give you exceptional quality at truly affordable prices.
Our company is guided by a set of core values and beliefs
- We know that we are a community, not a “market”.
- We recognize that we serve this community at the pleasure of its members.
- We understand the passions, challenges and rewards that drive the enthusiast.
- We believe that function drives form, improved performance improves appearance.
- We know that one company can’t do it all, therefore we value partnerships.
How This Applies to Our Customers
- We never settle for anything less than perfection.
- All of our parts are put under intense testing before being released to you
- You can feel secure because we use both our closest partners and our own cars to test A2Speed’s products
- Finally we know that just having a great product isn’t enough, thus we strive to offer superior customer service, and the lowest prices. Giving you the best experience possible from start to finish.
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