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

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