Silver Type-3 38mm External Turbo Manifold Wastegate with Dump Ring High strength cast steel body with steel head Bolt-on design, fits any 38mm turbo manifold bolt-on wastegate port Bolt-on housing design for secure spring changing and adjustment High pressure reinforced and temperature resistant actuator diaphram included Comes with 13 psi spring and 7 psi spring installed (2 springs installed for total 20 psi)