Cometic 4.160" MLS Head Gasket (Each) - .040" - SB Chevy BRODIX R10003XS -10 and -12

-10 and -12

perfect for upgrading stock HEI distributors for higher RPM

No drilling or special hardware required

3/8 in NPT Left Side

Single Programmable Digital Shift Point

Cometic 4.160" MLS Head Gasket (Each) - .040" - SB Chevy BRODIX R10003XS -10 and -12Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 040". Suitable for Brodix 12 23 Degree Head. 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