Granatelli
Granatelli Turbo Adapter, Cast. 2.5" V-Band to T4 Housing, Threaded
Granatelli Turbo Adapter, Cast. 2.5" V-Band to T4 Housing, Threaded
Part number: 540204
Couldn't load pickup availability
- Ships direct from the brand or supplier
- Tracking emailed when it ships
- Free fitment check before you order
Turbo Adapter, Cast. 2.5" V-Band to T4 Housing, Threaded from Granatelli. Key specs: V-Band size 2.5 Inches. Replacement parts keep a factory turbo system working; upgrades raise its limits.
Key features
- A rugged cast transition adapter designed to connect a 2.5-inch V-Band outlet
- To a T4 turbo housing for high-performance turbocharged applications
- The Granatelli Motor Sports 540204 Turbo Adapter provides a precision
- Transition from a 2.5-inch V-Band outlet to a T4 turbine housing flange
- Constructed from rugged cast material, this adapter is engineered for
- Provides a secure transition between a 2.5-inch V-Band outlet and
- A T4 turbine housing flange
- Rugged Cast Construction
Specifications
- Brand: Granatelli
- Part type: Turbo part
- Adapter Style: 2.5" V-Band to T4 Housing
- V-Band Size: 2.5 Inches
- Turbo Housing: T4
- Construction: Cast
- Design: Threaded
- Manufacturing: Made in USA
- Warranty: 90-Day Warranty
Fitment
Compatible with: High-Performance & Turbocharged Engines
OE and interchange numbers
540204
What it does
Boost changes need fuel and tuning to match, or the engine can run lean. Air and fuel parts decide how well the engine breathes and how cleanly it runs, so the right part restores smooth running and can support more power on a modified engine.
Installation & tips
- Change fuel and tuning together with boost, and check for leaks with a boost leak tester.
- Tuning: Most boost changes need a tune.
- Couplers and clamps: Old couplers split under boost.
- Put the new part next to the old one and compare the shape, mounting points and connections before you install it.
- Work on a cool engine with the vehicle secured, and use a service manual for your vehicle for torque specs and procedures.
FAQ
What is the turbo part made of?
The listing gives the material as cast.
What size is it?
V-Band Size: 2.5 Inches.
Can I install it myself?
Many owners do this job at home with basic tools and a service manual for their vehicle. If you are not sure, have it fitted by a qualified mechanic.
Before you order
- Measure the part you are replacing and compare it with the specifications above.

Granatelli turbo part: what to know
Boost changes need fuel and tuning to match, or the engine can run lean.
Fitment notes
- Specs, lead time and warranty come from Granatelli and can change. The details above this guide are the latest we have.
Not sure it fits? Send us your year, make, model, engine and trim and we'll check before you order.
Ask about fitmentWhat else to plan for
- Tuning. Most boost changes need a tune.
- Couplers and clamps. Old couplers split under boost.
More for your car: Fuel & air intake · Fuel & air intake
Questions about turbo part
Will this fit my car?
Do I need a tune?
Where do specs and warranty details come from?
Questions & answers
No questions yet about this part. Ask about fitment, what's in the box or installation and we'll answer here.