AFR BBC aluminum heads rectangular port flowing 385cc with 2.350 Intake/ 1.880 exhaust valves with a 24 degree valve angle. These heads are best suited for large displacement (540+ cubic inches) high RPM big block chevrolet racing engines.
- Big Block Chevy Cylinder Head
- Magnum Comp
- Assembled
- 2.350 / 1.880 in Valves
- 385 cc Intake
- 121 cc Chamber
- 1.625 in Springs
- 24 Degree Valve Angle
- Aluminum
- Pair
| Lift | .200 | .300 | .400 | .500 | .600 | .700 | .800 | .900 |
| Int | 169 | 249 | 312 | 359 | 411 | 428 | 439 | 449 |
| Exh | 139 | 190 | 245 | 280 | 299 | 309 | 315 | 321 |
Test conducted at 28" of water (pressure) on Superflow 600
Bore Size: 4.600", intake 3/4" radius plate exhaust, 2 1/8" curved pipe