
Specifications
- Brand
- Cometic Gasket
- Part #
- C5754-089
- UPC
- 191070139193

Cometic Buick Big Block V8 .089in MLS Cylinder Head Gasket - 4.385in Bore
$156.29
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Cometic Multi-Layer Steel head gasket for Buick Big Block V8. .089in thickness, 4.385in bore. Ensures a solid seal for high-output engines.
Key Features
- Fits 1967-1974 Buick models including Electra, Riviera, and Skylark.
- Multi-Layer Steel (MLS) construction offers increased strength and corrosion resistance.
- Outer layers are coated with heat-resistant Viton rubber for a reliable seal without sealants.
- Designed for a 4.385 inch bore and has a compressed thickness of .098 inches.
- Suitable for both aluminum and cast iron engine blocks.
⚠️ 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
Product Details
When you're rebuilding the top end of your Buick Big Block V8, getting the cylinder head gasket seated right is crucial for a strong seal. This Multi-Layer Steel (MLS) gasket from Cometic is built to handle the demands of performance engines, offering a reliable barrier between your cylinder head and engine block. It's designed to fit a range of classic Buick models, including the Electra, Riviera, and Skylark from the late 60s and early 70s.
Cometic uses multiple layers of stainless steel for increased strength and resistance to corrosion. The outer layers are coated with Viton, a heat-resistant rubber material that can handle tough sealing environments and various surface finishes, meaning you don't need to add any extra sealants. The compressed thickness on this gasket is .098 inches, and it's made for a 4.385-inch bore, making it a solid option for engines that have been modified for higher output.
Specifications
- Brand
- Cometic Gasket
- Manufacturer Part #
- C5754-089
- UPC
- 191070139193
Frequently Asked Questions
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Cometic Buick Big Block V8 .089in MLS Cylinder Head Gasket - 4.385in Bore


