Turbo Spec Form
TNTSF58 Ball Bearing Drop-In Turbo (G30/G35 Fitment) | 870HP
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The TNTSF58 is a direct bolt-on replacement for the Garrett® G30 and G35 series, running the same 58mm (2.28") compressor inducer size as the G30-770. Flowing 78 lbs/min, it's rated to 870 crank horsepower — a full 100 HP above the G30-770's 770 HP figure while costing hundreds less. Fully ball bearing, water-cooled, and oil-lubricated.
Proven Across Platforms
- Subaru WRX/STI (EJ25): Expect 600+ hp, turning AWD thrills into outright dominance.
- Mitsubishi Lancer Evolution (4G63): Push past 600 hp with confidence.
- Toyota 2JZ: Unlock 600+ hp, perfectly balanced for street or strip.
- BMW N54/N55: Smooth power up to 600 hp.
- Ford Coyote 5.0 V8: Twin SF58s can propel you well beyond 1100 hp.
- Chevrolet LS/LT V8: Twin setups deliver 1100+ hp — serious flow for serious builds.
Drop-In G30/G35 Fitment
If your setup is plumbed for a G30 or G35, the TNTSF58 bolts straight in — no custom fabrication. Choose your turbine: the 60x55mm G30-size wheel for maximum response, or the 68x62mm G35-size wheel for more flow — each available with a T3 0.83 A/R housing or dual V-band in 0.61, 0.83, 1.01, or 1.21 A/R. The TNTSF58 is an independent True North Turbos unit, not a Garrett product — same footprint, more rated power, lower price.
Key Specs
- 58mm (2.28") compressor inducer; 60x55mm or 68x62mm turbine wheel options
- 78 lbs/min flow rating — rated to 870 HP (crank)
- Fully ball bearing, water-cooled, oil-lubricated
- Direct bolt-on replacement for Garrett® G30/G35 fitment
- Turbine housing options: T3 0.83 A/R or dual V-band 0.61 / 0.83 / 1.01 / 1.21 A/R
- Designed, machined, assembled, and balanced in Canada by Black Sheep Industries
Frequently Asked Questions
What is the TNTSF58 rated for?
870 crank horsepower, with a 78 lbs/min flow rating.
Is the TNTSF58 a direct drop-in for the Garrett G30/G35?
Yes. It's a direct bolt-on replacement within the G30/G35 footprint — fully ball bearing, water-cooled, and oil-lubricated — installing without custom fabrication.
How does the TNTSF58 compare to the G30-770?
Both run a 58mm compressor inducer. The TNTSF58 is rated to 870 HP at the crank — a full 100 HP above the G30-770's 770 HP crank rating — at a significantly lower price, with your choice of G30-size or G35-size turbine.
Is the TNTSF58 a Garrett turbo?
No. It's designed and manufactured by True North Turbos, a Black Sheep Industries brand. "G30/G35 fitment" refers to compatibility only.
Power ratings on this page are quoted in crank horsepower (HP). Figures previously published in wheel horsepower (WHP) have been restated using our in-house tested conversion — the hardware and its capability are unchanged.
Not manufactured by, affiliated with, or endorsed by Garrett Motion Inc. "Garrett", "G30", and "G35" are referenced solely to identify fitment compatibility.