The Turbosmart TS‑1 7170 reverse‑rotation turbocharger is a T4‑flanged, externally wastegated unit with a 0.96 A/R housing and a reverse rotation orientation as specified. It’s intended for systems that require the 7170 sizing but with reverse rotation, providing the matching housing geometry and external wastegate interface noted in the product description.
Turbosmart 7170 V-Band 0.96AR Externally Wastegated Reverse Rotation TS-1 Turbocharger