OWEN DEVELOPMENTS GBT-54 TURBOCHARGER.


The new GBT range brings together many years of development in to one high performance package. Available in air and water cooled ball bearing format the new turbos feature, the highly acclaimed HTA compressor wheels & new proprietary turbine aerodynamics. The new range consists of 55, 61, & 69mm turbine wheels with a large range of compressor options.
(These roughly equate to Garretts GT28, 30, & 35 respectively eg. GBT6177 = GT3076)
The nomenclature is simple - eg: GBT5471 is a 54mm Turbine inducer & 71mm Compressor Exducer

Turbine housing options range from T25 Internal WG, T3 inlet, 3" Vband outlet, and V-band Inlet & Outlet which are Tial compatible, meaning that if you currently own a kit with a Tial Turbine Housing this will be a direct replacement. Options include: Speed Sensor, Customised branding / colouring, Tial Turbine Housing for Extreme temp applications.
Please select options and upgrades for your turbo from the pick list above. If choosing Tial turbine housing upgrade please let us know what A/R you require in the notes at checkout


The 54mm frame GBT is suited for smaller capacity engines; around 1.6-2.0 litre. They are capable of producing engine outputs up to 530bhp. The wide range of compressor wheel sizes and turbine housing options available for this unit means it can be customised for many applications and is a popular choice for twin turbocharging.

Turbine Spec:
Trim - 74.5mm
Inducer - 54.4mm
Exducer - 47.0mm

Turbine Housing Options:

NT3.0 - 0.64 A/R, V-Band Inlet & V-Band Outlet Flange
NT3.1 - 0.64 A/R, T3 Inlet & V-Band Outlet Flange
NT3.3 - 0.64 T25 & 5-Bolt with Internal Wastegate

Power Range:

GBT 5463.5 - 250-340 BHP
GBT 5465 - 280-380 BHP
GBT 5468 - 320-440 BHP
GBT 5471 - 360-500 BHP
GBT 5473 - 420-520 BHP
GBT 5476 - 450-530 BHP

Please select from the drop down menu on the right hand side.

Stock Images Used. Actual product may vary.