

Specifications
- Brand
- Cometic Gasket
- Part #
- C5633-027
- UPC
- 191070017255

Cometic Chrysler 318/340/360 4.040 inch Bore .027 inch MLS Head Gasket (Non SVO)
$90.06
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Cometic Chrysler LA V8 MLS head gasket with a 4.040" bore and .027" compressed thickness. Built with Viton-coated stainless steel for reliable sealing.
Key Features
- Fits a wide range of Chrysler LA V8 engines with a 4.040 inch bore.
- Multi-Layer Steel (MLS) construction offers increased strength and durability.
- Viton rubber coating on outer layers provides excellent heat resistance up to 482°F (250°C).
- Compressed operating thickness is 0.027 inches for precise sealing.
- Designed to seal effectively without requiring additional sealants.
- Suitable for aluminum heads on aluminum or cast iron blocks.
⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more
Product Details
Starting with a compressed thickness of 0.027 inches, this Cometic Multi-Layer Steel (MLS) head gasket is built for serious sealing performance. It's constructed with multiple layers of stainless steel, giving it strength and the ability to rebound, which helps resist corrosion. The outer layers are coated on both sides with Viton, a heat-resistant rubber material designed to handle tough sealing jobs and various surface finishes. This gasket is well-suited for engines with aluminum heads paired to either aluminum or cast iron blocks, as it can manage the shearing forces that can occur between these materials.
Because it's made from multiple layers of stainless steel, this gasket offers increased strength and is designed to seal effectively without needing additional sealants. The center layer is also stainless steel, and its thickness can be varied to meet different engine build requirements, making it a versatile choice for many Chrysler LA V8 engines. This particular gasket is made for a 4.040-inch bore size, fitting a wide range of Chrysler, Dodge, and Plymouth vehicles from the mid-60s through the early 90s, including models like the Dodge D150 Pickup, Chrysler Cordoba, and Plymouth Barracuda.
Specifications
- Brand
- Cometic Gasket
- Manufacturer Part #
- C5633-027
- UPC
- 191070017255
Frequently Asked Questions
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Cometic Chrysler 318/340/360 4.040 inch Bore .027 inch MLS Head Gasket (Non SVO)

