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RHS® LS Race Block Head Gaskets Pair (4.000" Bore)

Part Number: 549400-SET

Availability: In stock

Code: 549400-SET

Shipping Weight: 1.00

GM/RHS® LS Block Head Gaskets Pair (4.000" Bore)



RHS® precision MLS (Multi-Layer Steel) Head Gaskets are custom made for an exact fit in RHS® LS Race Block applications. They are comprised of three layers of full hard embossed stainless steel with a high temperature FKM rubber coating. The design distributes clamping loads evenly across the entire cylinder head for perfect sealing.


  • Pair of 4.000" Bore head gaskets
  • .036" compressed thickness
  • MLS (Multi-Layer Steel) construction