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BTR LS9 HEAD GASKETS - MLS - BTR22033-2
If you're putting together a budget power adder build, the BTR LS9 head gasket can't be beat for performance and value. These head gaskets have been proven to be reliable north of 1,000 horsepower. These gaskets feature a 4.100" bore and a .055" thickness spread across 7 layers of steel. These can be used in place of GM part # 12622033.