1991 Mercury Cougar Cylinder Head Gaskets

Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:

• PROPRIETARY COATING — Nonstick anti-friction coating seals small surface scratches and imperfections
• SEALING TECHNOLOGIES — Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
• NO RETORQUE DESIGN — Steel core helps eliminate the need for retorquing head bolts
• STRONG AND DURABLE — Features graphite or reinforced fiber facing material and steel armor for strength and durability
• DESIGNED FOR IMPERFECT SEALING SURFACES — Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces

Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:

• Manufactured for the repair environment
• Unsurpassed quality you can trust
• Unsurpassed quality you can trust

Mr. Gasket Ultra-Seal Head Gaskets are a five layer (graphite core/perforated steel outer layers) composite construction. The graphite core has excellent thermoconductivity (transfers heat) away from hot spots in head preventing gasket burn-out. They provide excellent stability, compressibility and high temperature endurance. A high temperature silicone coating ensures sealing of engine fluids. Compatible with cast iron or aluminum heads, they will not brinell (indent) aluminum cylinder heads. Suitable for high performance street, drag race and oval track use. Sold individually.brbrGasket Bore 4.100 inch, Compressed thickness 0.038 inch

Product Features:

• Five layer (graphite core/perforated steel outer layers) composite construction
• Graphite core has excellent thermo-conductivity-transfers heat away from hot spots in head preventing gasket burn-out
• Provides excellent stability, compressibility and high temperature endurance
• Coated with high temperature silicone to ensure sealing of engine fluids
• Will not brinell (indent) aluminum cylinder heads
• For high performance street, drag race and oval track use
• Compatible w/High Octane Fuel
• Compatible With Exotic Fuel

Our unique Multi-Layered steel head gasket embossment formation process optimizes the embossment radius, reduces stress points, enhances gasket conformability, and provides uniform clamp load distribution. This all results in superior surface contact between block and cylinder head. All head gasket layers/spacers go through an additional process to significantly reduce forming induced stress. Advantages are reduced brittleness in material, increased flexibility and deformation retention. This stabilizes the gasket, resulting in reduced cylinder bore distortion and improved combustion seal fro the extreme cylinder pressures found in high compression, supercharged and turbocharged applications. A proprietary polymer coating ensures the micro-seal of engine coolant and oil fluids.brbrA typical MLS head gasket requires a smoother (30Ra) surface finish than composite head gaskets. Mr. Gasket’s proprietary polymer coating will seal a surface finish twice as rough (60Ra) as a typical MLS head gasket. For high performance street, drag race and oval track use.

Product Features:

• Gasket bore – 4.030 inch: Compressed thickness – .040 inch
• Manufactured from 3-layer premium grade stainless steel and state of the art laser cutting
• Optimized sealing embossments seals extreme cylinder pressure
• Provides excellent stability and reduces cylinder bore distortion.
• Proprietary polymer coating ensures the micro seal of engine coolant and oil fluids.
• Ideal for supercharged, turbocharged, nitrous oxide and extreme compression ratio engines
• For high-performance street, drag race and oval track use

Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:

• SEALING TECHNOLOGIES – Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
• NO RETORQUE DESIGN – Steel core helps eliminate the need for retorquing head bolts
• STRONG AND DURABLE – Features graphite or reinforced fiber facing material and steel armor for strength and durability

Product Features:

• Cylinder Head Gasket
• 1963-1996 289-302 (except boss)-351w; 1982-1996 5L