Cometic C15262-066 Pontiac MLS Cylinder Head Gasket Bore - 326/389/421 V8 4.300

The Cometic C15262-066 is a high-performance Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for Pontiac 326, 389, and 421 cubic inch V8 engines. This precision-manufactured gasket features a 4.300-inch bore diameter and .066-inch compressed thickness, making it ideal for stock rebuilds and performance applications.

Key Features:

• Multi-Layer Steel (MLS) construction for superior sealing and durability
• .066-inch compressed gasket thickness
• 4.300-inch bore diameter designed for Pontiac V8 cylinder heads
• Engineered to withstand extreme cylinder pressures and temperatures
• Eliminates gasket failure from blown head gaskets in high-performance applications
• Provides excellent recovery and conformability to sealing surfaces

Cometic gaskets are manufactured using advanced materials and processes to ensure consistent quality and reliability. The MLS design features multiple layers of stainless steel with elastomeric coatings that provide exceptional sealing under demanding conditions, making this gasket suitable for street performance, racing, and engine rebuilds requiring precise compression control.