PT Turbo lists 15 complete turbochargers, 2 turbocharger kits, 2 supercores and 2 CHRA cartridges for the Garrett G30-660, with complete turbos from $2,469 to $2,669. Each listing is one exact part number, so match the number on your turbo’s data plate before ordering, or call (909) 824-1020 and we will match it for you.
The G30-660 is a Garrett G-Series turbo with an 8 mm dual ceramic ball bearing cartridge, a 54 / 67 mm, 65 trim compressor wheel in a 0.70 A/R housing and a 60 / 55 mm, 84 trim Mar-M turbine wheel rated to 1,050 °C; maximum speed 165,000 rpm. Garrett rates it at 350 to 660 horsepower; its page gives the engine size as 2.0 to 3.5 liters in the specification line and 1.4 to 3.0 liters in the text. Garrett sells supercores (880693-5001S standard, 880694-5001S reverse) and complete standard-rotation turbos with an internally wastegated V-band housing (880704-5002S, 0.83 A/R; 880704-5003S, 1.01 A/R); its newer G-Series II turbo in this size is the G30-725.
This page lists G30-660 turbos in standard and reverse rotation with V-band housings from 0.61 to 1.21 A/R, internally wastegated versions, T3 open-inlet, T31 and divided T4 housings, the supercores (listed as partial turbos), the CHRAs and bolt-on kits for the Ford Focus ST 2.0L EcoBoost. Garrett’s own guidance on turbine housings: a smaller A/R gives quicker boost response and more turbine power at low engine speed; a larger A/R lets the wheel flow more, with lower back pressure and more power at high engine speed.
Sources: Garrett G30-660 catalog page · Garrett: G-Series II · Garrett: Turbine Housings 101
Wheel sizes are inducer / exducer, taken from the specification published for each part number. The turbine housing sizes are the ones on the listings above; the same turbo is sold with several.
| Model | Compressor wheel | Turbine wheel | Compressor housing | Turbine housing A/R | Listings | From |
|---|---|---|---|---|---|---|
| G30-660 | 54 / 67 mm, 65 trim | 60 / 55 mm, 84 trim | 0.70 A/R | 0.61, 0.82, 0.83, 1.01, 1.06, 1.21 | 19 | $2,469 |
On G Series turbos the number after the dash is Garrett's horsepower rating: a G30-660 is rated for up to 660 hp.
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