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The biggest cathedral port offering, this is a larger version of our 235 head which uses 2.100" and 1.600" valves. Optimized for large bore (4.155" and up) larger cubic inch strokers. 70cc chamber is standard. Combine this with an LSX block and build the ultimate large cubic inch monster.
Fully assembled with Ferrea valves, titanium retainers, Gold Extreme springs (hyd roller), machined steel locks.
Conversions for mechanical roller available starting at $400.00 and up. Call with your specific needs.

Total Engine Airflow 245CC CNC Ported Trick Flow LSX Cylinder Heads
Flow Data
| 245cc Flow Data | ||
| Intake | Exhaust | |
| 0.1 | 69 | 56 |
| 0.2 | 146 | 130 |
| 0.3 | 237 | 201 |
| 0.4 | 294 | 249 |
| 0.5 | 336 | 269 |
| 0.55 | 348 | 273 |
| 0.6 | 353 | 276 |
| Tested on 4.185" bore @28" |
The biggest cathedral port offering, this is a larger version of our 235 head which uses 2.100" and 1.600" valves. Optimized for large bore (4.155" and up) larger cubic inch strokers. 70cc chamber is standard. Combine this with an LSX block and build the ultimate large cubic inch monster.
Fully assembled with Ferrea valves, titanium retainers, Gold Extreme springs (hyd roller), machined steel locks.
Conversions for mechanical roller available starting at $400.00 and up. Call with your specific needs.
