


Cometic Chevy BB Gen IV 396/402/427/454 H/G 4.320 inch Bore .030 inch MLS Head Gasket
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Cometic Chevy BB Gen IV 396/402/427/454 H/G 4.320 inch Bore .030 inch MLS Head GasketComprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 030". 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
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★★★★★ 3
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Size: 3Pack of 5 Tier (Not included planks)
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Reviewed in the United States on February 17, 2026
★★★★★ 5
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Reviewed in the United States on February 14, 2026
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Reviewed in the United States on December 13, 2022
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