The Turbosmart TS-1 turbocharger model 6870B (Kompact) D4 with 0.84 A/R is an externally wastegated TS-1 unit. Identified by its Kompact family and D4 designation, the description supplies A/R and wastegate style for buyers planning forced-induction upgrades where external wastegate control is desired. Vehicle fitment is not specified and must be confirmed separately.
Turbosmart 6870B (Kompact) D4 0.84AR Externally Wastegated TS-1 Turbocharger