Garrett Boost | Club Line turbochargers are high performance journal bearing products at a cost-effective price range. GBC combines modern, high flowing aerodynamics with robust journal bearing rotating groups to make a powerful and affordable turbocharger. Features: • Billet compressor wheel with extended tip design for higher pressure ratios • GTX Gen II compressor aerodynamics • Journal bearing rotating group with 360-degree thrust bearing • Outline interchangeable with GBC37-900 |GBC35-700 for stage upgrades • Machined boost signal port with installed plug • Modern turbine wheel aerodynamics • Oil cooled center housing   Turbine housing options for each supercore: *GBC Club Line compared to BorgWarner SX-E: •Higher flowing compressor stage for higher HP capability •Smaller, lower inertia turbine wheel for better boost response •Both compressor and turbine aero maps available to assist in turbocharger selection •GBC35 and 37 outline interchangeable to enable different stage kits •More options for turbine housing inlet flanges to meet needs of kit makers and different manifold designs