PSR Turbine Housing for 400 Series Turbos 83/74mm 87/81mm 96/88mm 177216 / 14961016701 171698 171702 – T6 1.58A/R fits 109/99mm Turbine Wheel

Pulsar Turbo Systems is an American turbocharger manufacturer based in California, specialising in performance-oriented ball-bearing turbochargers. Their range includes direct-fit and universal turbos featuring dual ceramic ball bearings and billet compressor wheels, offering significant spool improvements over journal-bearing factory turbos. Pulsar provides bolt-on turbo upgrades for popular platforms as well as universal GT-series turbochargers for custom builds.