Universal Turbo Internal Wastegate Actuator for RB20 7psi-26psi 4 3/4" - 5 3/4" Rod 7.5mm Hole RB20 Rod adjusted between 4 3/4" - 5 3/4" Pressure adjusted between 7 psi - 26 psi 7.5mm ID hole x 5mm thickness for C-clip area 2.75" Long Rod