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This Cometic copper head gasket is specified for GM LSX Gen‑4 small block V8 applications with a 4.100" bore and .043" thickness, for the RHS cylinder head. The copper design requires less clamp load and uses embossed outer layers coated with Viton to conform load distribution and seal without additional sealants or re-torque. It is made to minimize bore distortion when used with appropriate components.
Cometic GM LSX 4.100in Bore 0.043in RHS Copper Head Gasket
