Cometic C5871-086 Ford Series MLS Cylinder Head Gasket Bore Thick - 335 4.100 086

The Cometic C5871-086 is a precision-engineered Multi-Layer Steel (MLS) cylinder head gasket designed specifically for Ford 335 Series V8 engines, including 351C, 351M, and 400 cubic inch applications. This gasket features a 4.100-inch valve-pocketed bore design with a compressed thickness of .086 inches, allowing engine builders to fine-tune compression ratios and deck height specifications.

Advanced MLS Construction:

• Constructed from multiple layers of spring stainless steel for superior strength and durability
• Outer layers coated with Viton rubber material, heat resistant to 250°C (482°F)
• Embossed layers provide optimal load distribution across the sealing surface
• Excellent rebound characteristics resist corrosion and extreme cylinder pressures
• No gasket sealant required - install dry for best performance

Performance Applications:

• Ideal for both aluminum-to-aluminum and aluminum-to-cast iron block combinations
• Withstands shearing forces from dissimilar materials
• Suitable for naturally aspirated, turbocharged, supercharged, and nitrous-fed engines
• Professional surface preparation required for optimal sealing

Cometic gaskets are trusted by championship-winning teams across professional and amateur motorsports. Each gasket is manufactured to exacting tolerances using advanced materials and processes to deliver maximum sealing performance in high-output engine builds. Sold individually.