AFR's 185cc "Street" cylinder heads feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings and high quality components throughout. Recommended for engines from 302-393 cubic inches, operating up to 6000-6500 RPM. Part #1422 & 1492 are street legal in 50 states for 1995 and older emissions controlled vehicles under CARB EO #D-250-3. Not compatible with OEM pistons. AFR heads are available bare (without parts), call our tech line for details. 

185cc Aluminum SBF Cylinder Heads
Part # Rocker Type Combustion Chamber
1422 Stud Mount - Emissions Legal 58cc
1492 Pedestal Mount - Emissions Legal 58cc
1388 Stud Mount - Non-Emissions Legal 58cc
1420 Stud Mount - Non-Emissions Legal with EGR 72cc
1387 Stud Mount - Non-Emissions Legal No EGR 72cc

 

185cc Street Head Flow Chart
  .200 .300 .400 .500 .550 .600
Int 142 195 247 276 285 289
Exh 118 164 200 210 213 215

AFR's 185cc "Street" cylinder heads feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings and high quality components throughout. Recommended for engines from 302-393 cubic inches, operating up to 6000-6500 RPM. Part #1422 & 1492 are street legal in 50 states for 1995 and older emissions controlled vehicles under CARB EO #D-250-3. Not compatible with OEM pistons. AFR heads are available bare (without parts), call our tech line for details. 

185cc Aluminum SBF Cylinder Heads
Part # Rocker Type Combustion Chamber
1422 Stud Mount - Emissions Legal 58cc
1492 Pedestal Mount - Emissions Legal 58cc
1388 Stud Mount - Non-Emissions Legal 58cc
1420 Stud Mount - Non-Emissions Legal with EGR 72cc
1387 Stud Mount - Non-Emissions Legal No EGR 72cc

 

185cc Street Head Flow Chart
  .200 .300 .400 .500 .550 .600
Int 142 195 247 276 285 289
Exh 118 164 200 210 213 215