Astra G & Zafira A - GSI & SRI-T - Z20LET
Stainless steel water rail to replace that OE rusty old thing on the front of your cylinder head.
Direct replacement for the pipe that runs across the top of the exhaust manifold which joins the thermostat to header tank.
- 316 stainless steel
- CNC pipe ends
- Tig welded
- 10mm diameter pipe (standard 8mm)
* For Z20LEL and Z20LER engines, please check the number of outlets on your standard rail. You may need the Z20LEH version available HERE.