Cometic C5478-140 MLS Cylinder Head Gasket Ford Windsor Bore Thick - 302/351W 4.030 140

The Cometic C5478-140 is a high-performance Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for Ford 302 and 351W Windsor V8 engines. Designed for SVO and performance applications, this gasket delivers exceptional sealing capability and durability under demanding conditions.

Key Specifications:

• Bore size: 4.030 inches for optimal sealing on performance-bored engines
• Gasket thickness: .140 inches (140 thousandths) for precise compression ratio tuning
• Multi-Layer Steel (MLS) construction with multiple layers of stainless steel
• Compatible with Ford 302 and 351W Windsor small block V8 engines
• Engineered for high-performance and racing applications

Features and Benefits:

• MLS technology provides superior gasket recovery and maintains torque retention over time
• Embossed stainless steel layers conform to surface imperfections for excellent sealing
• Resistant to extreme temperatures and combustion pressures in forced induction and high-compression builds
• Precision-cut bore openings ensure proper combustion chamber sealing
• Ideal for stroker kits, turbocharged, supercharged, and naturally aspirated performance builds

Cometic gaskets are trusted by professional engine builders and racers worldwide for their quality construction and reliability. This gasket is specifically designed for SVO (Special Vehicle Operations) applications and performance builds requiring exact compression control and maximum sealing integrity.