Exterior Components› Body Panels and Components
Cometic Gasket
Cometic Chevy Small Block 4.200 inch Bore .027 inch MLS Head Gasket (w/All Steam Holes)
SKU: C006 C5249-027
Easy — 1–2 hours
Description
The gasket's outer layers are coated with Viton rubber for heat resistance and sealing performance in harsh environments. This MLS construction provides increased strength, rebound capability, and resistance to corrosion, making it suitable for applications with aluminum or cast iron blocks and heads.
Fitment
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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Cometic Gasket |
| Part Number | C006 C5249-027 |
Videos
Reviewing Cometic's MLX Head Gaskets
SEMA 2016: Cometic Gaskets at the Forefront of Gasket Technology
Choosing The Right Head Gasket For Your Performance Engine Application
Cometic MLS Head Gaskets
Should You Use Copper Gasket Spray? | Tech Minute
Understanding MLS Head Gaskets
SDPC Tech Tips: Head Gaskets
Harley-Davidson MLS Head gaskets | Torque Values | Doc Harley
Gasket Material and Surface Roughness—and How they Relate
Performance Head Gaskets EXPLAINED!
Buy with Confidence
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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