Cometic C5693-089 Buick Stage I/II MLS Cylinder Head Gasket Bore - V6 4.090

The Cometic C5693-089 is a high-performance Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for Buick Stage I and Stage II V6 engines. This precision gasket features a 4.090-inch bore diameter and .089-inch compressed thickness, providing superior sealing capability for modified and high-performance applications.

Key Features:

• Multi-Layer Steel (MLS) construction for maximum durability and heat resistance
• 4.090-inch bore diameter designed for Buick Stage I and Stage II V6 engines
• .089-inch (2.26mm) compressed gasket thickness
• Advanced embossment technology ensures even load distribution and superior sealing
• Withstands extreme cylinder pressures in turbocharged and high-compression applications
• Stainless steel construction with Viton rubber gasket sealing beads

Cometic MLS head gaskets are the choice of professional engine builders and performance enthusiasts worldwide. The multi-layer design allows the gasket to recover and maintain torque loads better than traditional composite gaskets, while the stainless steel construction provides excellent resistance to corrosion and extreme temperatures. Ideal for street performance, racing, and marine applications where reliability is critical.