SCE Gaskets Vulcan Cut-Ring Head Gasket For GM LSX 3.997" x .059" CR199959L
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New SCE Vulcan Cut-Ring head gaskets are designed for use in engines with high static compression forced-induction or nitrous oxide where typical composite or MLS head gaskets may be prone to leak combustion pressure and-or coolant. The New Vulcan Cut-Ring head gaskets are a hybrid-design which combines sealing properties of 2 different head gasket material types; Composite - a pliable, perforated metal-core composite gasket body for effective sealing of coolant and oil, without additional sealants. The stainless steel, solid stainless cut-rings bite into the cylinder head under clamp load to form a positive barrier against combustion pressure leaks, without additional machining.
Designed for use with high static compression or forced-induction engines which are prone to combustion pressure leaks when using typical composite or MLS head gaskets. Especially 4-bolt-per-cylinder patterns such as BMW, Subaru, Toyota and Chevrolet LS series.
Composite: Pliable, perforated metal-core composite gasket body eliminates coolant and oil leaks. No sealant needed!
Stainless Steel: Solid stainless cut-ring 'bites' into the cylinder head forming a positive barrier against combustion pressure leaks. No machining required!