Cometic C5464-070 Chrysler B/RB MLS Head Gasket Bore Thick - V8 4.500 070

The Cometic C5464-070 is a high-performance Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for Chrysler B-block and RB-block V8 engines. This gasket features a 4.500-inch bore diameter and a compressed thickness of .070 inches, making it ideal for performance builds requiring precise combustion sealing and deck height adjustments.

Key Features:

• Multi-Layer Steel (MLS) construction provides superior sealing and durability under high cylinder pressures
• 4.500-inch bore diameter accommodates stock and slightly overbored Chrysler B/RB V8 engines
• .070-inch compressed thickness allows for fine-tuning compression ratios and deck clearances
• Advanced embossment technology ensures optimal sealing around combustion chambers, coolant passages, and oil galleries
• Reusable design withstands extreme temperatures and pressures in high-performance applications
• Compatible with both cast iron and aluminum cylinder heads

Cometic MLS gaskets are constructed from multiple layers of stainless steel with a Viton rubber coating, providing exceptional resistance to blowout and thermal cycling. This gasket is designed for precision-machined surfaces and is recommended for use with proper surface preparation (RA finish of 50-60 microinches). Ideal for street performance, race, and forced induction applications on classic Mopar big-block engines including 383, 400, 413, 426, and 440 cubic inch variants.