Reverse rotation design crates a mirror image of 60335551 and is perfect for a V8 twin turbo configuration, 67/62 configuration has a 67 mm compressor inducer and 62 mm turbine exducer, Cast aluminum compressor wheel with a power rating of 700 flywheel horsepower max, T4 exhaust housing with .82 A/R ratio and 3” V band clamp exhaust outlet, Journal bearing center section with 7/16”-24 IFF oil feed and standard GT35 style drain flange.