Astra Zafira GSi Z20LET GT28 Turbo Manifold Kit
Mk4 Astra GSi, Coupe,OPC & SRi
GT28 Turbo Manifold Kit
After nearly a year of design and testing, we can finally offer a cheaper upgrade turbo solution for your Z20 LEH / Z20 LET engine. Whether you have a standard engine or fully rebuilt, fitting a Garret GT28 you will have peace of mind that your turbo is up to the job, and won't let you down.
Note: Turbo not supplied with this Manifold & fitting kit.
Garret GT28 60RS with .86 Housing 360bhp
Garret GT28 71R with .86 Housing 430bhp
from (Turbo Dynamics 01202 487 497)
Other specs can be used to suit your individual setup.
With the GT28 60RS and our kit fitted to an Astra VXR with standard engine internals, + TXA Intercooler & Top hat Kit we were able to achieve 357bhp.
Our other test car was a Mk4 Astra GSi, using the Garret GT28 71R which achieved 396bhp
- Steel Rods
- Oil Spray Jets
- Forged 8:5:1 Pistons
- TXA 2.5" Intercooler Kit
- 80mm AFM + VXR injectors
- TXA Panel Filter
Our Turbo Manifold Kit includes:
- Equal length manifold
- Air intake pipe & rocker cover breather connection
- 76mm Downpipe with EGT Boss (Connects up to standard Exhaust)
- Custom Polished oil breather pipe and Silicone connection
- Water Feed
- Oil Feed
- Oil Return & block connection
- Nuts, Studs & all gaskets
NOTE: We give 12 months Warranty with all parts on this kit. We recommend bracing the manifold to the block when fitting this kit.