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

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