$ 1,425.00
LS7 305cc 4.125"+ | Single CNC Cylinder Head
- 2.250" Intake Valve Diameter
- 1.600" Exhaust Valve Diameter
- 70cc Combustion Chamber
- 45 Degree Seat Angles
- Has a deck thickness of .750"
- 5.450" Valve Length Recommended for Hydraulic Applications
- Use's Factory LS7 Rocker Arms with our Billet Stands or Jesel/T&D Shaft Rockers
- Utilizes the Gen IV LS7 valve-train and intake manifold
- Designed for any new Gen IV short-block with 4.125" bore or larger
***Due to the thicker deck and higher valve cover rails some beauty covers are not compatible. When using Corvette (Y-Body) front accessories alternator may need to be clearanced.
| Flow Data w/4.125" Bore Plate | ||
| Lift | Intake | Exhaust |
| 0.100 | 76 | 65 |
| 0.200 | 163 | 118 |
| 0.300 | 245 | 171 |
| 0.400 | 307 | 212 |
| 0.500 | 350 | 229 |
| 0.600 | 379 | 245 |
| 0.650 | 388 | 247 |
| 0.700 | 395 | 249 |
| 0.800 | 401.5 | 258 |
| 0.900 | 406 | 260 |
| 1.000 | 410 | 263 |
