Direct Bolt On 430BHP Turbo UpgradeFor Nissan SkylineR32, R33 and R34(RB20DET and RB25DET) Note: R33 May Require a Few Modifications to Fit Specification: Turbo Manifold Flange: T3 Downpipe Flange: 6 Bolt Cooling Type: Water and Oil CooledInternal Wastegate Actuator Setting: Max 21.75psi AdjustableHorsepower: Up To 430 BHP Compressor:Trim: 48Inducer Diameter: 52.7 mmExducer Diameter: 76.2 mmA/R: 0.5 Turbine:Inducer Diameter: 65.2 mmExducer Diameter: 48.2 mmA/R: 0.63