Cometic C5547-040 GM USAC Midget MLS Cylinder Head Gasket 4.155" Bore

The Cometic C5547-040 is a high-performance Multi-Layer Steel (MLS) cylinder head gasket specifically engineered for GM USAC Midget racing engines. This precision gasket features a 4.155-inch bore diameter and a .040-inch compressed thickness, providing optimal sealing and combustion chamber control for competitive racing applications.

Key Features:

• Multi-Layer Steel (MLS) construction for superior durability and heat resistance
• .040-inch compressed thickness for precise compression ratio tuning
• 4.155-inch bore diameter designed for GM USAC Midget engine specifications
• Advanced coating technology ensures exceptional sealing under extreme racing conditions
• Engineered to withstand high cylinder pressures and temperatures
• Allows for thermal expansion and contraction without compromising seal integrity

Cometic MLS gaskets are the choice of professional racing teams and engine builders who demand reliable performance under the most demanding conditions. The multiple layers of stainless steel with precision-applied coatings provide excellent recovery characteristics and maintain consistent clamping force throughout the engine's operating range.