PTE's PT5558 Turbocharger features the following: HP Racing: 590 Exclusive CEA® (Competition Engineered Aerodynamics) compressor wheel machined from a 2618-aluminum forging. Higher efficiency and faster transient response for maximum power and performance 55mm inducer compressor wheel Compressor cover options: "B" compressor cover 2.8" inlet/2.0" outlet "E" compressor cover 3.0" inlet/2.0" outlet "S" compressor cover 4.0" inlet/2.5" outlet "Ported S" compressor cover 4.0" inlet/2.5" outlet 58mm, 76 trim turbine wheel Turbine housing options: T3 .48, .63 or .82 A/R with 4 bolt (2.5") discharge T3 .48 or .63 A/R with 5 bolt discharge (with or without wastegate hole) T3 .48, .63 or .82 A/R with 3" OD (outer diameter) V-Band discharge V-Band inlet .64 or .82 A/R with V-Band discharge T4 Tangential .58 A/R with 3 5/8" OD (outer diameter) V-Band discharge Mitsubishi .48 or.63 A/R Buick .63 A/R K26 .82 A/R * NOTE: Additional cost may apply for certain housings. Available with either a Hydrodynamic 360 thrust bearing system or an air-cooled, dual ceramic ball-bearing center housing rotating assembly (CHRA) Precision customers have a history of setting records and getting noticed. They don't sit in the stands watching the action, they're the ones making it happen. Innovation is a collaborative process, and we focus our efforts on you. Get involved and be a part of the action today with PTE.