
Specifications
- Brand
- Cometic Gasket
- Part #
- C5754-074
- UPC
- 191070495343

Cometic Buick Big Block V8 .074in MLS Cylinder Head Gasket - 4.385in Bore
$133.58
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Cometic MLS head gasket for Buick Big Block V8. Features Viton coating and a 4.385in bore for improved sealing.
Key Features
- Fits 1967-1974 Buick models.
- Multi-Layer Steel (MLS) construction for increased strength and corrosion resistance.
- Features a 4.385 inch bore and a .074 inch compressed thickness.
- Outer layers are coated with heat-resistant Viton rubber.
- Designed for high-output engines and requires no sealants.
- Suitable for use with aluminum heads to aluminum blocks or cast iron 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
Cometic Gasket is known for making well-built sealing components, and this Multi-Layer Steel (MLS) head gasket is a prime example. It’s built for Buick Big Block V8 engines and features a 4.385-inch bore with a thickness of .074 inches. This gasket is designed to handle the demands of high-output engines, providing a strong seal without needing any extra sealants.
This MLS gasket uses multiple layers of stainless steel, which gives it increased strength and the ability to rebound, helping it resist corrosion. The outer layers are coated with Viton, a heat-resistant rubber material that can handle tough sealing jobs and various surface finishes. The center layer is stainless steel and can be varied to achieve different thicknesses, like the .074 inches on this particular gasket. It works well with both aluminum and cast iron blocks, even when paired with aluminum heads, because it can manage the shearing forces that can occur between different metals.
This gasket fits a range of Buick vehicles from the late 60s through the mid-70s, including models like the Electra, LeSabre, and Riviera. It's a solid option for rebuilding or repairing your engine's top end.
Specifications
- Brand
- Cometic Gasket
- Manufacturer Part #
- C5754-074
- UPC
- 191070495343
Frequently Asked Questions
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Cometic Buick Big Block V8 .074in MLS Cylinder Head Gasket - 4.385in Bore


