Cometic C5581-030 Chrysler Race Block MLS Head Gasket Bore - R3 4.165 030

The Cometic Gaskets C5581-030 is a high-performance Multi-Layer Steel (MLS) cylinder head gasket engineered specifically for Chrysler R3 race blocks. This precision gasket features a 4.165-inch bore diameter and .030-inch compressed thickness, designed to provide superior sealing under extreme racing conditions.

Key Features:

• Multi-Layer Steel (MLS) construction for maximum durability and heat resistance
• Designed for Chrysler R3 race blocks with W7, W8, and W9 cylinder heads
• 4.165-inch bore diameter accommodates high-performance engine builds
• .030-inch compressed thickness allows for precise compression ratio tuning
• Superior combustion sealing under high cylinder pressures and temperatures
• Eliminates the need for additional sealants when properly installed

Cometic MLS gaskets utilize multiple layers of stainless steel with a unique coating that responds to flange pressure and engine movement, making them ideal for race engines that experience extreme thermal cycling and high boost applications. Compatible with Chrysler big block race engines using W7, W8, or W9 cylinder heads on R3 race block architecture.