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Cometic Gasket

Cometic Chevy Gen1 Small Block V8 .040in MLX Cylinder Head Gasket-4.220in Bores-Round Bore

$125.65 $113.09 Save $12.56

SKU: C006 C5786-040

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INSTALL DIFFICULTY
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Easy — 1–2 hours

Description

Part #: C5786-040

Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0.040". With Steam Holes. Cometic MLX (Multi-Layer Stopper) gaskets utilize an integrated stopper layer for combustion chamber sealing and improved clamp load around the cylinder without increasing bore distortion. MLX technology can be found in some head gaskets and are made from the same materials as our MLS Head Gaskets. No sealants or re-torque required.

Chevrolet Gen-1 Small Block V8 .040in. MLX Cylinder Head Gasket | 4.220in. Bore | 18/23 Degree Heads | Round Bore | With Steam Holes

This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.

MIA's Description

The Cometic Gasket C5786-040 is a multi-layer stopper (MLX) cylinder head gasket designed for Chevy Gen 1 Small Block V8 engines. It features a compressed thickness of 0.040 inches, a bore size of 4.220 inches, and four layers of stainless steel with a Viton rubber coating on the outer layers. This gasket includes steam holes for improved cooling efficiency and is suitable for 18/23 degree cylinder heads with a round bore shape.

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Specifications

BrandCometic Gasket
Part NumberC006 C5786-040

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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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