78/75 configuration has a 78 mm compressor inducer and 75 mm turbine exducer, Billet aluminum compressor wheel pushes the power rating to 1150 flywheel horsepower max, Divided T4 exhaust housing with 1.25 A/R ratio and 4” V band clamp exhaust outlet, Well suited for V8 engines between 300 and 360 cubic inches with a 1000+ hp goal, Journal bearing center section with 1/8”NPT oil feed and standard T4 style drain flange.
