The Cometic MLS gasket is comprised of three layers of Stainless Steel. The outer layers of the gasket are embossed and coated on bothsides with a flouroelastomer rubber based material (Viton)designed to meet the demands of a variety of harsh sealingenvironments, load conditions and surface finishes. The Vitoncoating is heat resistant to 250° C or 482° F.The center or shim layer of the gasket is comprised of anuncoated Stainless Steel layer, which can be varied toaccommodate multiple thickness requirements. The MLSgasket is ideal for both aluminum heads to cast iron blocks and aluminum heads to aluminum blocks. The composition of MLS will also withstand the shearing forces created by aluminum heads on cast iron blocks. No re-torque is necessary. By design the MLS gasket promotes an even torque load across the sealing surface allowing for measurable reduced bore distortion.
Cometic – Gen 5 LT1 / LT4 Head Gasket 4.100″ Bore With .040 Thickness
$107.70
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- .040″ thick head gaskets for Gen 5 LT1 / LT4 applications.
- Always ensure adequate piston to valve clearance when milling or installing thinner gaskets!
- Sold Individually (Purchase 2 for complete set)
Ships from manufacturer
Frequently Purchased Together
LT1
2016-2022 Camaro (6th Gen)
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Description
Questions & Answers (5)
Customer questions & answers
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What length push … just kidding ! Can I run this gasket on factory engine ?
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Q What length push … just kidding ! Can I run this gasket on factory engine ? answer nowAsked by on July 21, 2023 9:51 amA I would think you would be able to but haven't ever tried
If you mill heads 0.36-0.40 what size push rods to run
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Q If you mill heads 0.36-0.40 what size push rods to run answer nowAsked by on June 7, 2023 11:32 amA You'll need to verify preload with what lifters you're running but likely 7.800
Have heads milled to .060. With .040 gasket. What ball park of push rods would i need?
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Q Have heads milled to .060. With .040 gasket. What ball park of push rods would i need? answer nowAsked by on August 15, 2022 9:42 amA You'll need to measure pre load to be certain but most of our cams require 7.850 pushrods so deducting .060 + .011 for head gasket thickness would be .071 less so around 7.775 since they're in increments of .025
If I’m looking to raise the compression on my lt1, which way of the 3 would be the most beneficial way of doing it? Milling heads, milling the block or thinner head gaskets?
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Q If I’m looking to raise the compression on my lt1, which way of the 3 would be the most beneficia...... Read more answer nowAsked by on June 10, 2022 12:19 amA Head gasket would be preferable, that way if you ever need to lower the compression back down you can. Milling the heads over decking the block
Have heads milled .025 and the Cometic .040 head gaskets what length pushrods will be in the ballpark?
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Q Have heads milled .025 and the Cometic .040 head gaskets what length pushrods will be in the ball...... Read more answer nowAsked by on May 4, 2022 11:59 pmA 7.825
Fit good
Was a little pricey but the only place that had it in stock.