ISB MLX Cylinder Head Gasket - .072 inch Bore 4.312 inch

Features:

• Fits 2007–2018 6.7L Cummins engines
• .072" compressed thickness for high-pressure sealing
• 4.312" round bore for precise fitment
• Five-layer stainless steel construction
• Armor-clad and graphite sealing layers
• Galvanized steel core for added strength
• Seals uneven or imperfect mating surfaces
• Designed for high-boost and tuned setups
• No re-torque required after installation
• Ideal for towing, hauling, or racing applications
• Engineered for extreme thermal and pressure loads
• Proven durability in performance diesel builds

The Gasket That Keeps Your Cummins In The Fight

When your 6.7L Cummins is doing the heavy lifting, you need a head gasket that’s built to handle the punishment. The Cometic C5609-072 ISB MLX Cylinder Head Gasket is designed to keep your engine sealed under the kind of stress only hard-working diesel trucks experience. Whether you're hauling heavy loads, towing through steep grades, or putting down extra horsepower with a tune, this gasket is ready for it. With a thick .072-inch compressed design and 4.312-inch bore, it locks everything down tight and helps you avoid the downtime and cost of a blown seal. It’s crafted from advanced materials like armor-clad and graphite, built to flex and seal against block surfaces that might not be factory fresh anymore. You won’t have to go back and re-torque it either, which is a big win for both time and reliability. If you're rebuilding or upgrading your Cummins, this gasket should be part of the plan right from the start.

Built To Handle What The 6.7L Was Made For

The Cometic C5609-072 MLX Cylinder Head Gasket delivers engineered precision for 2007–2018 Dodge Ram 2500/3500 trucks equipped with the 6.7L Cummins. Designed with a five-layer stainless steel construction and a 4.312-inch round bore, this gasket offers optimal combustion sealing and durability for high-output diesel applications. Its .072-inch compressed thickness provides enhanced sealing under higher boost levels and compensates for minor imperfections in block or head surfaces. Reinforced with galvanized steel, armor-clad, and graphite layers, the gasket provides strength and flexibility where it's needed most. This construction helps reduce cylinder bore distortion and resists blowouts under extreme pressure conditions. It’s a strong match for engines seeing heavy-duty use, long haul performance, or aggressive tuning. The design also eliminates the need for post-installation re-torquing, reducing install time and long-term maintenance concerns. Built for those who push their trucks hard, this gasket holds the line when performance matters.

Fits: 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018 Dodge RAM 2500/3500 6.7L Cummins

Notes:

• Ensure compatibility with 2007–2018 Dodge Ram 2500/3500 6.7L Cummins engines
• Designed for a 4.312" round bore and .072" compressed thickness
• Constructed with five layers of stainless steel for enhanced durability
• Features armor-clad, graphite, and galvanized steel materials for sealing irregular surfaces
• Incorporates a locking bore seal for improved cylinder sealing potential
• Outer layers coated with Viton, heat resistant up to 482°F (250°C)
• No re-torque required after installation, simplifying maintenance
• Suitable for high-performance and high-load applications
• Professional installation recommended to ensure proper sealing
• Manufactured to order; allow 2–3 weeks for production and shipping