Specifications
- Brand
- Cometic Gasket
- Part #
- C5746-030
- UPC
- 191070138691

Cometic Chevrolet ZL1 Mark-IV Big Block V8 .030in MLS Cylinder Head Gasket - 4.250in Bore
$108.99
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Fits 1969, 2009 Chevrolet Corvette. Cometic .030in MLS head gasket with a 4.250in bore, built for high output engines.
Key Features
- Fits 1969 Chevrolet Camaro, and 1969, 2009 Chevrolet Corvette.
- This is a Multi-Layer Steel (MLS) head gasket.
- The gasket is .030 inches thick when compressed.
- It features a 4.250 inch bore diameter.
- Outer layers are embossed and coated with Viton rubber for heat resistance up to 482 F.
- No sealants are required for installation.
⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more
- Chevrolet Camaro 1969
- Chevrolet Corvette 1969, 2009
Product Details
This Cometic Multi-Layer Steel (MLS) head gasket is built for your Chevrolet ZL1 Mark-IV Big Block V8. You get one gasket, .030 inches thick with a 4.250 inch bore, designed to seal your cylinder heads to the block. It's a well-built component for engines that need to perform.
Cometic uses multiple layers of stainless steel for strength and corrosion resistance. The outer layers are coated with Viton, a heat-resistant rubber material that can handle temperatures up to 482 degrees Fahrenheit. This coating helps create a strong seal even with different block and head materials, like aluminum heads on cast iron blocks. The center layer is stainless steel and can be varied in thickness to meet specific engine needs, with this one set at .030 inches compressed thickness.
Because these are MLS gaskets, they don't require any additional sealants, making installation more straightforward. They are designed to handle the demands of high-output engines and provide reliable sealing.
Specifications
- Brand
- Cometic Gasket
- Manufacturer Part #
- C5746-030
- UPC
- 191070138691
Frequently Asked Questions
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Cometic Chevrolet ZL1 Mark-IV Big Block V8 .030in MLS Cylinder Head Gasket - 4.250in Bore



