Quote:
Originally Posted by Cool Kat with Hot Car
Bored&stroked, For the uninitiated like me please define RA and MLS?
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RA is the surface finish (average roughness), which is really important for MLS gaskets. MLS meaning multi-layer steel.
Cometic makes some of the best gaskets. Pricey, but worth it. Like mentioned though, surface finish MUST be adhered to.