Description
The TFS Gen X LS1 cylinder head delivers the flow characteristics and chamber efficiency required for serious LS-platform builds. With 225cc intake runners and a compact 65cc chamber, this head supports higher compression ratios and aggressive cam profiles while maintaining thermal stability. CNC-machined from billet aluminum, it’s engineered for both street and race applications where reliability and performance cannot be compromised.
- GM LS-Series fitment
- 225cc intake runners
- 65cc combustion chamber
- 2.055″ / 1.575″ valves
- Angle plug configuration
- 1.300″ valve springs
- Billet aluminum construction
- CNC-machined
- Gen X design
- Bare/assembled unit
- Sold individually






