Cometic 4.200" MLS Head Gasket (Each) - SB SB Chevy2 350/400 - .040" Thickness 35451BK R3500 1991-1987

R3500 1991-1987

eliminating the damper twist on the shaft

Hex Nuts With Nylon Insert 1/2"-13

Made in US

13-3/4" wide

Cometic 4.200" MLS Head Gasket (Each) - SB SB Chevy2 350/400 - .040" Thickness 35451BK R3500 1991-1987Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 040". With Steam Holes. 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