T31 Turbine Housing (4-hole, 63.5mm)
Single exhaust housing
For GT28 series with 0.82ar
This turbine housing is a possibility to drive the turbochargers of the GT28 series on manifolds with T3 flange. It has a T3 flange and a 4-hole exhaust flange for 63.5mm exhaust pipes. This case is for the Garrett GT28 series turbochargers with 53.9mm exhaust wheel.
GT2859R (780371-5001 / 707160-5009)
GT2860R (707160-5007 / 707160-5005 / 739548-5009)
GT2860RS (739548-5001 / 739548-5005)
GT2871R (743347-5001 / 743347-5002 / 743347-5003 / 743347-5004 / 472560-5015 / 771847-5001 / 780371-5002 / 707160-5010)
GT2876R (705330-5001 / 705330-5002)
The Garrett turbochargers allow an easy change of the exhaust casing. This can be used, for example, to change the installation situation. Or the choice of a smaller or larger ar value improves the response or the maximum power can be increased.