PTE 4831 MFS Journal Bearing Turbo (385 HP) *Discontinued* Select Options::B Cover T3 Inlet/4-Bolt Outlet .48 A/R (30201004069) These coilovers are for track

These coilovers are for track and racing use and will be assembled with the suggested spring rates listed below or if you'd like custom spring rates

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100% pressure tested before leaving the factory and comes complete with a life time guarantee

Alerts you to a fault if the boost control solenoid is shorted or disconnected so you are never left guessing whether the Tru-BoostX is operational

Able to respond from 10% of the pressure scale to 90% of the pressure scale in

PTE 4831 MFS Journal Bearing Turbo (385 HP) *Discontinued* Select Options::B Cover T3 Inlet/4-Bolt Outlet .48 A/R (30201004069) These coilovers are for track*Discontinued* As of January 2026 this series of turbos have been discontinued by PTE. We have none remaining in stock. The PTE 4831 Turbo is rated for 385 HP with a journal bearing CHRA. Available with your choice of compressor cover and housing options. Photos are for reference as each turbo can be configured differently. Features: MFS (Machined From Solid) 48mm Inducer Compressor Wheel 57mm Exducer T31, 76 Trim Turbine Wheel 360 Journal Bearing