Cometic 4.200" Bore Head Gasket 0.066" Thickness Multi-Layered Steel BRODIX Heads - SB Chevy 21411307 Every BMR K-member is 100-percent

Every BMR K-member is 100-percent bolt-in and requires no modifications for fitment

NPT connection is all you need for installation

AutoMeter direct fit replacement A-pillar gauge mounting solutions install in place of your factory interior windshield pillar trim

intense spark for improved starting

Heat-treated prior to thread rolling and machining / and rated at a 190/000 psi

Cometic 4.200" Bore Head Gasket 0.066" Thickness Multi-Layered Steel BRODIX Heads - SB Chevy 21411307 Every BMR K-member is 100-percentComprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0. 066". 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