Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0.030". Left Side. Nissan Gen 3 VQ35HR 3.5L/VQ37VHR 3.7L DOHC V6 MLS Head Gasket 97mm Bore. Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a viton rubber coating.Compressed operating thickness is .030". Left Side. Eac