Turbo T3/T4 – up to 350 hp
350HP
Article number: 237-TC005
T3/T4 turbo up to 350 hp. Oil-cooled, internal wastegate 0.55 bar, T3 flange and 2.5" V-band. Fits 1.8–3.5 L engines. Complete kit with gaskets.
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Expected back in stock 2026-02-26
Give your turbo engine a real boost with our proven T3/T4 turbo. It delivers power potential of up to approx. 350 hp, fast spool-up, and a wide range – particularly popular in projects such as the Volvo B230. The turbo is oil-cooled (no water cooling required) and comes complete with internal, adjustable wastegate (base pressure 0.55 bar), gaskets, and 2.5" V-band flange and clamp. Stable quality and consistent performance make it one of our most popular upgrades for 1.8–3.5 liter engines.
Highlights
- Power capacity up to approx. 350 hp
- Fast spool and wide operating range
- Oil-cooled – easier installation, fewer hoses
- Complete kit with wastegate, gaskets, and V-band clamp.
Specifications
- Flange to manifold: T3
- Internal wastegate: adjustable, base pressure 0.55 bar (connect vacuum to outer nipple)
- Compressor housing, inlet: 2.75“
- Exhaust housing outlet: 2.5” V-band (flange & clamp included)
- Cooling: oil, thread 1/8-27
- Trim C: 73
- A/R exhaust housing: .63
- Recommended engine size: 1.8–3.5 L
Included in the package
- Turbo T3/T4
- Internal wastegate (0.55 bar)
- Gaskets
- 2.5" V-band flange & clamp


