Product DescriptionAstra/Zafira 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)
With the GT28 60RS and our kit fitted to a 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
- 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
- With this kit air conditioning can be left in place, also a vent to atmosphere dumpvalve is needed.