The 385cc heads are AFR’s largest and best fl owing BBC heads! They feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings, Titanium retainers, and high quality components throughout. These heads are best suited for large displacement (540+) high RPM Big Block Chevrolet racing engines. AFR heads are available bare (without parts), call our tech line for details. Please see footnotes for additional information.

 

385cc Competition Flow Chart
Part # Description Combustion Chamber
2020-TI Fully CNC Ported 121cc

 

 

385cc BBC
  .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

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