MAHLE 54446 Multi-Layer Steel Cylinder Head Gasket for GM LS7 7.0L Engine

The MAHLE Original 54446 is a premium multi-layer steel (MLS) cylinder head gasket engineered specifically for GM LS7 7.0L engines. This gasket provides the leak-free, reliable seal required for high-performance applications where precision and durability are essential.

Key Specifications:

• Bore diameter: 4.180 inches (106.05mm)
• Compressed thickness: 0.050 inches
• Compressed volume: 11.244cc
• Multi-layer steel construction for superior sealing
• Sold individually (cylinder head bolts not included)

Advanced MLS Technology:

MAHLE's multi-layer steel gaskets are designed to increase torque and performance while decreasing oil consumption and emissions. The MLS construction consists of multiple stainless steel layers that work together to create a positive seal, compensating for thermal expansion and contraction during engine operation. This design ensures effective sealing across varying temperature and combustion conditions.

OE-Quality Construction:

As a trusted OEM supplier, MAHLE Original gaskets utilize OE equivalent or better materials in all their gaskets. The company transfers decades of engineering expertise and quality standards from original equipment manufacturing directly into the replacement parts business, ensuring reliable performance and long service life.

Application Note:

This gasket is designed for GM LS7 engine applications. New cylinder head bolts may be required based on your specific application—consult your service manual for torque specifications and bolt replacement requirements.