• Cometic Chevy Small Block 4.200 inch Bore .066 inch MLS-5 Headgasket (w/All Steam Holes)
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Cometic

Cometic Chevy Small Block 4.200 inch Bore .066 inch MLS-5 Headgasket (w/All Steam Holes)

Cometic Chevy Small Block 4.200 inch Bore .066 inch MLS-5 Headgasket (w/All Steam Holes)

$121.04 USD
$134.49 USD $121.04 USD
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  • Ships direct from the brand or supplier
  • Tracking emailed when it ships
  • Free fitment check before you order

Listed for: Chevrolet Small BlockFitment notes & questions

Head gasket from Cometic, listed for Chevrolet. Head gasket jobs take the top of the engine apart, which is why most people replace the related gaskets and bolts at the same time.

Quick facts

  • Brand: Cometic
  • Part type: Head gasket
  • Listed for: Chevrolet

Good to know

  • Warranty terms: Warranty

Tip: Most head gaskets call for new head bolts and a flat, clean deck surface. Check the head and block before you reassemble.

View full details

Before you order: Chevrolet Small Block head gasket fitment

The head gasket seals the cylinder head to the block, keeping combustion pressure in the cylinders and coolant and oil in their own passages.

Fitment notes

  • Listed for: Chevrolet Small Block.
  • Specs, lead time and warranty come from Cometic and can change. The details above this guide are the latest we have.

Not sure it fits? Send us your year, make, model, engine and trim and we'll check before you order.

Ask about fitment

Plan the whole job

  • Head bolts. Many engines use torque-to-yield head bolts that should not be reused.
  • Coolant. Refill with the coolant type your engine calls for.
  • Valve cover and intake gaskets. They come off during the job, so it is the time to replace them.

More for your car: Chevrolet Parts · All Head Gaskets · Engine

Questions about Chevrolet Small Block head gasket

Will this fit my Chevrolet Small Block?
It is listed for the Chevrolet Small Block. Check your year, model, engine and trim against the title and details above. If anything is different, contact us and we will confirm fitment before you order.
What are signs of a bad head gasket?
Common signs are overheating, white exhaust smoke, coolant loss with no visible leak, and milky oil.
Should I resurface the cylinder head?
If the head is warped or the surface is damaged, a machine shop can check and resurface it before the new gasket goes on.
Where do specs and warranty details come from?
From Cometic. Each brand sets its own specs, lead times and warranty terms, and they can change. The product details above are the latest we have.
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