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Cometic C5641-030 GM/Mercury Marine Gen-IV Big Block MLS Cylinder Head Gasket - V8

Part of: Cometic GM Big Block MLS Cylinder Head Gasket Bore

Other options in this family: Cometic C5334-040 Cometic C5333-089 Cometic C5755-080 Cometic C5817-040 Cometic C5640-070

Manufacturer

Picture for manufacturer Cometic

Part Number

C5641-030
6 reviews
Sale Price

$99.68

Estimated ship date Wednesday, November 25

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Product Details

The Cometic C5641-030 is a precision-engineered Multi-Layer Steel (MLS) cylinder head gasket designed specifically for GM and Mercury Marine Gen-IV Big Block V8 engines with a 1050 cubic inch displacement. This high-performance gasket features a .030" (30 thousandths) compressed thickness and is sized for a 4.600" bore diameter.

Key Features:

  • Multi-Layer Steel (MLS) construction for superior sealing and durability
  • 4.600" bore diameter for proper combustion chamber sealing
  • .030" compressed gasket thickness
  • Includes accommodation for 2 slotted lifter valley bolts
  • Application-specific design for Gen-IV Big Block V8 engines
  • Suitable for both automotive and marine performance applications

Cometic MLS gaskets utilize multiple layers of stainless steel with advanced coating technology to provide exceptional resistance to extreme cylinder pressures and temperatures. The embossed sealing beads ensure optimal sealing around combustion chambers, coolant passages, and oil galleries. This gasket is ideal for high-performance street, racing, and marine applications where reliability and performance are critical.

Products specifications

Prop 65

WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov

Material

Multi-layer Steel

Shipping not best

Best price around. Great Communication. Fast shipping. What else can I ask for?<br>I have already purchased again from them.

Best pricing I found anywhere on the part I needed, quick shipping, no hassle. Definitely going to be a repeat customer.

Just order the 1108 turn over ball for 2010 Super Duty and received it within (5) days. Just can't wait to put it on and start pulling the trailer with my new diessel.

Very fast shipping, lowest prices on the web.

Great prices and fast shipping. I had a question about the product and the had all the answers. I would definitely shop here again.

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