Code No. 14001-AK031







【Variable Ported Shrou】

※Ported shroud functions depending on the bolt's position.
※When surge occurs due to the vehicle specification,ported shroud is able to prevent surging.




  • A successor model of T51 SPL BB. Compact in size, but withstandable over 800PS.
  • Highly reliable MHI high performance CHRA & highly durable aluminum forged impeller are well-balanced.
  • Ported shroud function is selectable using an adapter. Replacing the position of the bolt securing ported shroud is able to keep the intake air path to reduce surging.
  • Impeller wheel rotation sensor compatible. (The sensor will be available separately.) 
  • Easy replacement with T51R series turbine and the turbo kit using T51R.(Oil & Water inlet / outlet are designed for GTIII-5R).



【Engine Output & Boost】




  • The graph above shows the result of in-house testing.
    The actual results may vary depending on each vehicle's specification(s).



Product Spec Code No. Manual Remarks
GTIII-5R A/R 1.00 WG 14001-AK031 Turbo Flange: Coupling