Cometic Exhaust Manifold Gasket For Nissan Skyline RB20 RB20DET RB25 RB25DET

Part # C4177-030

Gasket Material: MLS: (Multi Layer Steel)

The Cometic MLS gasket is comprised of three layers of Stainless Steel. Cometic uses Stainless steel for increased strength, it's ability to rebound and corrosion resistance. 

By design the MLS gasket promotes an even torque load across the sealing surface allowing for measurable reduced bore distortion.

** This gasket has rivets which may hit the water neck area.  Removal of rivet and trimming recommended **