The PTE 5531 Turbo is rated for 520 HP with a journal bearing CHRA. Photos are for reference as each turbo can be configured differently. Please review all options for the compressor cover, exhaust housing inlet and outlet and A/R ratios.*Discontinued*This part has been discontinued by PTE. Unfortunately STM has none remaining in stock.• See more TurbosFeatures: • MFS (Machined From Solid) 54mm Inducer Compressor Wheel • 57mm Exducer Turbine Wheel• 55mm Inducer Compressor Wheel • 360° Journal Bearing System• Rated for 520 HP• PTE "Entry Level Turbo"Compressor Cover Options: • E Cover (3.0" Inlet / 2.0" Outlet) PTE Turbo FAQ See more about the different PTE housing options, compressor covers and PTE videos to help you get your turbo built correctly! PTE 5531 Turbo Options: PTE Part Number Compressor Cover Exhaust Housing Inlet Exhaust Housing Outlet A/R 30502004069 E Cover T3 Inlet 4-Bolt Outlet .48 30502004089 E Cover T3 Inlet 4-Bolt Outlet .63 30502004159 E Cover T3 Inlet 5-Bolt Outlet .48 30502004169 E Cover T3 Inlet 5-Bolt Outlet with Wastegate Hole .48 30502004179 E Cover T3 Inlet 5-Bolt Outlet .63 30502004189 E Cover T3 Inlet 5-Bolt Outlet with Wastegate Hole .63