You have tried stainless steel now try GSG Copper gaskets
GSG Copper Gaskets are CNC Machined from plate copper that is 99.9% pure. Our copper gaskets can conform to minor imperfections, reducing or eliminating the need to have the engine and heads machined, thereby extending your engine’s life.
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GSG Copper Gaskets are CNC Machined from plate copper that is 99.9% pure.
Why Copper Gaskets?
Copper is the standard for conductors, in head gaskets, we don’t care about electricity, but we deal with heat. Superior conductivity benefits engine builders in two primary ways. Block & head temperatures are more even and combustion chamber hot spots are dissipated quickly. Cylinder block/head temperature parity is an aid to tuning. The big advantage of conductivity is in the combustion chamber area. In and around the combustion chamber standard composite head gaskets and MLS head gaskets are somewhat insulated from the cylinder head and block by the facings and coatings respectively. Heat-related failures occur more often with composite and MLS head gaskets than with copper because the heat is trapped within the gasket body allowing hot spots to intensify, whereas the copper being both a better conductor and having direct contact with the block and head (remember metal-to-metal) transfers the heat to the heat exchanger, aka the cooling system, through the head and block.
Copper gaskets are most commonly used on high-performance street/strip engines. Copper provides good resistance to blowouts because copper naturally conducts heat quickly and distributes heat more evenly, which minimizes warping and allows for a strong seal even on rough or damaged surfaces
What about re-torquing? Solid copper (like a liquid) does not compress, it displaces. Since the copper gasket body does not compress no re-torque is technically necessary.
Copper gaskets can be reused multiple times by cleaning and re-annealing. DO NOT use a torch or household oven to re-anneal copper gaskets. The annealing process requires special vacuum ovens to achieve the results required. Here at Granite State Gaskets, we have a vacuum oven for this purpose. Gaskets can be returned for inspection, cleaning, and re-annealing for a small fee.
Replacement Part # 468012U-C
Fits Marine Applications; TMD121C, TAMD121D, TAMD122C, TAMD122D, TAMD122A, TMD122A,TAMD122P-A, TAMD122P-B, TAMD122P-C, TMD122A/C, TAMD122AF
Fits Industrial Applications; TD121G-87, TWD1210V, TWD1211V, TAD1230V, TWD1230VE, TWD1231VE, TWD1230ME, TAD1230G, TWD1210G, TWD1211G, TAD1231GE,TAD1230P, TD121GP-87, TWD1210P, TWD1211P, TD1210G, TWD1210G, TD121GP, TD120HP-86, TD121, TD121G, TD121G-87, TD121GG, TD121GG-86, TD121GG-87, TD121GGP, TD121KG-97, TID121KGP, TID121GPB-87, TID121L-87, TID121-LG, TID121LG-87, TID121LG UT-87, TID121LGP, TID121LGP-87, TID121LP, TID121LP-87, TID121LPB-87, TID121L