TD42 Manifold studs and gasket6x MLS manifold gaskets 12x high tensile manifold studs and nuts 4x high tensile turbo studs and nuts 1x T3 gasket Super strong DIN916 high tensile 304 stainless stud with 316 grade stainless serrated locknuts to prevent studs and nuts seizing together. Studs also have inhex drive allowing an allen key to be used for installation and removal. Torque can be increased above standard to 45nm allowing extra clamp pressure for high boost applications. We