Super tough Cometic multi-layer steel head gasket specifically for big bore 1ZZ-FE engines. If you've sleeved your 1ZZ-FE and have bored it to 82.0 or 82.5mm this is the gasket you need. Thickness is 0.027" which is just slightly thicker than stock and has no major impact on compression ratio. Works great NA or with a turbo or nitrous.