AFR BBC aluminum heads rectangular port flowing 315cc with 2.250 Intake/ 1.880 exhaust valves with a 24 degree valve angle. Recommended for aggressive street, or street/strip builds with displacements up to 540 cubic inches, operating up to 6800 RPM.
- Big Block Chevy Cylinder Head
- Magnum Comp
- Assembled
- 2.250 / 1.880 in Valves
- 315 cc Intake
- 121 cc Chamber
- 1.625 in Springs
- Aluminum
- Pair
315cc Competition Flow Chart | |||||||
.200 | .300 | .400 | .500 | .600 | .700 | .800 | |
Int | 163 | 239 | 301 | 349 | 380 | 386 | 387 |
Exh | 138 | 184 | 238 | 271 | 285 | 293 | 299 |
Test conducted at 28" of water (pressure) on Superflow 600
Bore Size: 4.600", 3/4" radius plate exhaust, 2 1/8" curved pipe