Cometic Gasket

Cometic GM L18 Vortec 8100 Gen-VII Big Block V8 .120in MLS Cylinder Head Gasket - 4.280in Bore - LHS

SKU C5764-140

MPN cgsC5764-140

$235.73 · Available to order

Cometic GM L18 Vortec 8100 Gen-VII Big Block V8 .120in MLS Cylinder Head Gasket - 4.280in Bore - LHS

Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0.140". Left Side. Cometic MLS (Multi-Layer Steel) Head Gaskets provide maximum sealing performance for todays 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 flour elastomer 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.

Confirmed vehicle fitment
YearsMakeModelSubmodelDrive
2007ChevroletSilverado 2500 HD ClassicLT—
2001–2002GMCSierra 2500 HDSL—
2002–2005GMCSierra 2500 HDBase—
2004–2006ChevroletSilverado 2500 HDWT—
2001–2006GMCSierra 2500 HDSLT—
2007GMCSierra 2500 HD ClassicSLT—
2001ChevroletSuburban 2500Base—
2007GMCSierra 3500 ClassicSLT—
2001–2006GMCSierra 3500SLT—
2005–2006ChevroletAvalanche 2500LS—
2001–2002ChevroletExpress 3500LS—
2007ChevroletSilverado 2500 HD ClassicWT—
2007ChevroletSilverado 2500 HD ClassicLS—
2001–2006ChevroletSilverado 2500 HDLT—
2007GMCSierra 2500 HD ClassicSLE—
2001–2005ChevroletSilverado 2500 HDBase—
2002–2005GMCSierra 3500Base—
2007GMCSierra 3500 ClassicSL—
2007ChevroletSilverado 3500 ClassicLT—
2002–2004ChevroletAvalanche 2500Base—
2007GMCSierra 3500 ClassicSLE—
2003–2006GMCSierra 2500 HDWT—
2001–2006ChevroletSilverado 3500LS—
2006GMCSierra 3500SL—
2007GMCSierra 2500 HD ClassicSL—
2006ChevroletSilverado 3500WT—
2001–2006ChevroletSuburban 2500LT—
2001–2006GMCSierra 3500SLE—
2001–2006GMCSierra 2500 HDSLE—
2001–2002GMCSavana 3500Base—
2001–2006GMCYukon XL 2500SLE—
2004ChevroletSilverado 3500WT—
2007GMCSierra 3500 ClassicWT—
2001–2006ChevroletSilverado 2500 HDLS—
2007ChevroletSilverado 3500 ClassicWT—
2007ChevroletSilverado 3500 ClassicLS—
2001–2002GMCSierra 3500SL—
2001–2006ChevroletSuburban 2500LS—
2004–2006GMCSierra 3500WT—
2007GMCSierra 2500 HD ClassicWT—
2001–2002ChevroletExpress 3500Base—
2006GMCSierra 2500 HDSL—
2001–2005ChevroletSilverado 3500Base—
2005–2006ChevroletAvalanche 2500LT—
2001–2006ChevroletSilverado 3500LT—
2001–2002GMCSavana 3500SLT—
2001–2006GMCYukon XL 2500SLT—
Specifications
CategoryEngine Components
Sub-CategoryHead Gaskets
UPC191070139643
CARB ApprovedYes
Prop 65 WarningY
Special OrderYes
Weight3 lb
Dimensions (L×W×H)24 × 9.75 × 0.24 in