

Specifications
- Brand
- Cometic Gasket
- Part #
- C5691-060
- UPC
- 191070019143

Cometic 75-87 Buick V6 196/231/252 Stage I & II 3.86 inch Bore .060 inch MLS-5 Head Gasket
$123.94
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Cometic MLS head gasket for Buick V6 engines. Features Viton coating and a 0.060" compressed thickness.
Key Features
- Fits a wide range of Buick, Chevrolet, and Cadillac vehicles.
- Multi-Layer Steel (MLS) construction offers increased strength and corrosion resistance.
- Outer layers are coated with heat-resistant Viton for demanding sealing environments.
- Designed for a 3.86 inch bore size.
- Compressed operating thickness is 0.060 inches.
- Requires no additional sealants 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
Product Details
Cometic Gasket is known for making well-built sealing solutions for a wide range of engines. This Multi-Layer Steel (MLS) head gasket is designed for Buick V6 engines, specifically those with a 3.86-inch bore and a Stage I or II build. It has a compressed thickness of 0.060 inches, making it a solid option for rebuilding or upgrading your engine's top end.
This gasket 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, even between aluminum and cast iron blocks. Because it's an MLS gasket, it doesn't require any additional sealants, simplifying installation. The center layer is also stainless steel, allowing for precise thickness control.
This gasket fits a wide variety of Buick vehicles from the mid-70s through the early 2000s, including models like the Regal, LeSabre, and Century, as well as some Chevrolet and Cadillac applications. It's a well-made component designed to provide reliable sealing for your V6 engine.
Specifications
- Brand
- Cometic Gasket
- Manufacturer Part #
- C5691-060
- UPC
- 191070019143
Frequently Asked Questions
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Cometic 75-87 Buick V6 196/231/252 Stage I & II 3.86 inch Bore .060 inch MLS-5 Head Gasket

