Specifications
- Brand
- Cometic Gasket
- Part #
- C5958-030
- UPC
- 191070145132

Cometic Ford Boss 302 .030in MLS Cylinder Head Gasket - 4.030in Bore
$97.74
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Fits 1969-1971 DeTomaso Mangusta. Cometic .030in MLS head gasket with a 4.030in bore, designed for high-output engines.
Key Features
- Fits 1969-1971 DeTomaso Mangusta, 1969-1971 Ford Mustang, and 1969-1970 Mercury Cougar.
- This is a Multi-Layer Steel (MLS) head gasket designed for high-output engines.
- Features a 4.030-inch bore and is 0.030 inches undersize for specific engine builds.
- Outer layers are embossed and coated with Viton, a heat-resistant rubber material.
- The multi-layer stainless steel construction offers increased strength and corrosion resistance.
- Designed to seal effectively without the need for additional sealants.
⚠️ 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
- DeTomaso Mangusta 1969-1971
- Ford Mustang 1969-1971
- Mercury Cougar 1969-1970
Product Details
If you're rebuilding the top end of your 1969-1971 DeTomaso Mangusta, Ford Mustang, or Mercury Cougar, this Cometic Multi-Layer Steel (MLS) head gasket is a solid choice. It's specifically made for the Boss 302 engine with a 4.030-inch bore, and this particular gasket is 0.030 inches undersize, which is important for proper engine assembly and performance tuning.
Cometic builds these gaskets with 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 tough sealing jobs and different surface finishes, making it suitable for both aluminum and cast iron blocks. This construction means the gasket seals tightly without needing any extra sealants, which is a big help during assembly.
The center layer is stainless steel and can be varied in thickness to meet different engine build needs. This gasket is designed to handle the demands of high-output engines, ensuring a reliable seal for your rebuild.
Specifications
- Brand
- Cometic Gasket
- Manufacturer Part #
- C5958-030
- UPC
- 191070145132
Frequently Asked Questions
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Cometic Ford Boss 302 .030in MLS Cylinder Head Gasket - 4.030in Bore



