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T3/T4 Turbochargers Built for the Grassroots Racer or Steet Car.
As we continue to push limits and break barriers, we’ve seen a growing demand for turbochargers that deliver reliable power without compromise at a Grassroots price. That’s why we’re going back to a proven formula: the T3/T4 turbocharger—a workhorse with decades of success under its belt.
Whether you're building a street car, a weekend warrior, or you're the underdog aiming high, the T3/T4 platform offers unmatched versatility.
With over 29 years of experience, Work Turbochargers has been creating hybrid designs, performance upgrades, and reliability innovations.
Our journey started with the Buick Grand National, a legend that made the T3/T4 combo a household name in turbocharging.
Single turbo setups: 200 HP to 1000+ HP
Twin turbo setups: 400 HP to 2300+ HP
We understand every build is different, so we offer solutions tailored to your goals:
High Response
Bolt-on Options for supported engines
Thermal Control (Heat Shields & Ceramic Coatings)
Ball Bearing Configurations
Water-Cooled Configurations
Possibly Turbo Manifolds for Select Applications
Current Bolt-On Applications
Rb20 All Years
RB25 All Years
300ZX Turbo 1984-1986
SVO Mustang 1984-1986
Buick Grand National 1984-1987
Most T3 and T4 Aftermarket Turbo manifolds
Toyota 1JZ-GTE VVT-i
Toyota 7M-GTE
Toyota 3S-GTE
Toyota 1HD-T/FT/FTE
Toyota 12H-T
We're working on application-specific T3/T4 turbochargers, complete with sizing guides and drop-in compatibility. This page serves as an overview while we finalize and roll out those specific options.
Have a setup in mind?
Want to know what turbo best fits your build?
Contact us — we’ll help you find the perfect match.