Cometic GM LS1 SB 3.970 inch Bore .045 inch MLS Head Gasket

Cometic GM LS1 SB 3.970 inch Bore .045 inch MLS Head Gasket

Marsoni

M251S

$138.00

Get it in 3 business days with 1 day shipping. Friday, May 29

Cometic GM LS1 SB 3.970 inch Bore .045 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. 045". 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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This oil I use in my outboard and I also buy another wt oil for my car. My cars mileage went up 2-3 consistent MPG on the digital mileage counter and use in my 2020 Merc 40hp and the outboard runs smoother and oil stays clean longer. Confident in this oil better than re-branded oils and higher cost. This oil exceeds by far manufactures oil ratings. Use high quality oil filters also.

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Reviewed in the United States on January 15, 2023

Verified Purchase

Smalls

Bozeman, US

★★★★★ 5

Good stuff!

Yamaha F150 running great!

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Reviewed in the United States on August 11, 2021

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Sean R.