AFR BBC Aluminum Heads 325cc/117cc Magnum Comp Assembled

AFR BBC aluminum heads 325cc/117cc magnum comp heads assembled with 2.300 intake/ 1.880 exhaust valves, Recommended for more 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  2.300 / 1.880 in Valves 325 cc Intake 117 cc Chamber  1.625 in Springs  Aluminum 24 Degree Valve Angle  CNC Bowl Blend & Partial CNC Chamber Pair 325cc As Cast Flow Chart   .200 .300 .400 .500 .600 .700 Int 148 217 274 316 346 366 Exh 129 182 221 249 257 262