COPO LS7 CNC CYLINDER HEAD ASSEMBLY - 17802818
Part # 17802818
The high-revving horsepower of the COPO 427 racing engines is enabled by the high-flow LS7 CNC cylinder head, which features a 12-degree valve angle for efficient airflow at high rpm. The head is fully CNC machined and the 356-T6 aluminum casting features 275cc (nominal) intake ports, 90cc exhaust ports and 70cc combustion chambers. There's also a thick, 5/8" deck for exceptional (nominal) strength.
The assembled head includes:
- 2.205" titanium intake valves
- 1.615" sodium-filled exhaust valves
- Max-Life Beehive-type valve springs
- Valve retainers and locks
- Intake and exhaust stem seals
- Intake lash cap
| Item# | Description | Qty. | Your Price | |
|---|---|---|---|---|
| 17802818 |
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COPO LS7 CNC Head Assembly
The high-revving horsepower of the COPO 427 racing engines is enabled by the high-flow LS7 CNC cylinder head, which features a 12-degree valve angle for efficient airflow at high rpm. The head is fully CNC machined and the 356-T6 aluminum casting features 275cc (nominal) intake ports, 90cc exhaust ports and 70cc combustion chambers. There's also a thick, 5/8" deck for exceptional (nominal) strength.
The assembled head includes:
- 2.205" titanium intake valves
- 1.615" sodium-filled exhaust valves
- Max-Life Beehive-type valve springs
- Valve retainers and locks
- Intake and exhaust stem seals
- Intake lash cap
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