AFR’s 325cc heads are designed feature partially CNC ported intake, exhaust & chambers, A356 aluminum castings and high quality components throughout. Recommended for more aggressive street, or street/strip builds with displacements up to 540 cubic inches, operating up to 6800 RPM. Also available with 100% CNC chambers for increased air flow. AFR heads are available bare (without parts), call our tech line for details.

 

325cc Aluminum BBC Cylinder Heads
Part # Description Combustion Chamber
2101 CNC Bowl Blend & Partial CNC Chamber 117cc
2101-1 CNC Bowl Blend & Fully CNC Chamber 121cc

 

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
325cc w/ 100% CNC Chamber Flow Chart
  .200 .300 .400 .500 .600 .700
Int 155 227 281 319 346 368
Exh 135 195 240 254 262 266

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