


Cometic GM Gen II / Mark IV Big Block (396 / 402 / 427) 4.630in Bore .070in MLS-5 Head Gasket
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Cometic GM Gen II / Mark IV Big Block (396 / 402 / 427) 4.630in Bore .070in MLS-5 Head GasketComprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 070". Cometic MLS (Multi Layer Steel) Head Gaskets provide maximum sealing performance for todays high output engines and require no sealants. MLS gaskets are ideal for both aluminum heads to aluminum blocks and aluminum heads to cast iron blocks. They can withstand the shearing force created by the two
Quick Dispatch:
Your Cometic GM Gen II / Mark IV Big Block (396 / 402 / 427) 4.630in Bore .070in MLS-5 Head Gasket orders ship within 1-2 business days.
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- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.1 ★★★★★
Based on 2478 reviews
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Product Reviews
★★★★★ 5
Came next day and easy to install
Size: 26"+16"+10", Style: J-HOOK
Wipers fit perfectly and work great
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Reviewed in the United States on May 12, 2026
★★★★★ 5
Worked and still working
Took my friend forever to put it in his car but when he finally did- zoom zoom. He is back in the road delivering your purchase and food. Fit was tight but most are, affordable part.
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Reviewed in the United States on April 13, 2026
★★★★★ 5
Fit perfectly
Perfect
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Reviewed in the United States on April 6, 2026
★★★★★ 5
Good product
Fits and works good
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Reviewed in the United States on March 30, 2026
★★★★★ 4
Good value
I got this for my daughter and she has no complaints so far so good
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Reviewed in the United States on March 7, 2026
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