Garrett Boost | Club Line turbochargers are high performance journal bearing products in a cost effective price range. GBC combines modern, high flowing aerodynamics with a robust journal bearing rotating group to make a powerful and affordable turbocharger. 67mm compressor inducer | 84mm compressor exducer Outline interchangeable with GBC35-700 450 –900 horsepower capability Billet compressor wheel with extended tip design for higher pressure ratios Journal bearing rotating group with 360-degree thrust bearing Machined boost signal port with installed plug Modern turbine wheel aerodynamics Oil-cooled centre housing