About Six-Star® Head Gaskets:
 
The SIX STAR MLS "STOPPER" HEAD GASKET is ideal for both aluminum heads and aluminum blocks. A better alternative compared to other gaskets made of bonded materials that fail prematurely due to load and heat dissipation problems!
By design, the MLS (multi-layer steel) STOPPER head gasket has a folded bore bead that encompasses the entire combustion area. This allows for a concentrated seal along a pin-pointed surface area encompassing the combustion chamber. The gasket promotes an even torque load across a wider area and requires less clamp force resulting in less bore distortion conforming load across the sealing area! No re-torque necessary.
Gaskets are made of stainless steel and the outer layers of the gasket are embossed and coated on both sides with a fluoroelastomer rubber-based material Viton.
 
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