AFR's 165cc "Street" cylinder heads are the preferred choice over re-worked factory heads. They feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings and high quality components throughout, in addition these are the only AFR heads that are compatible with the OEM piston valve relief. Recommended for street, towing, or street/strip engines with displacements up to 351 cubic inches, operating up to 6000 RPM. Part #1402 & #1472 are street legal in 50 states for 1995 and older emissions controlled vehicles under CARB EO #D-250-3. AFR heads are available bare (without parts), call our tech line for details. 

165cc Aluminum SBF Cylinder Heads
Part # Rocker Type Combustion Chamber
1399 Stud Mount - Non-Emissions Legal 58cc
1402 Stud Mount - Emissions Legal 58cc
1472 Pedestal Mount - Emissions Legal 58cc

 

165cc Street Head Flow Chart
  .200 .300 .400 .500 .550 .600
Int 135 200 240 251 255 260
Exh 122 163 192 208 212 215

AFR's 165cc "Street" cylinder heads are the preferred choice over re-worked factory heads. They feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings and high quality components throughout, in addition these are the only AFR heads that are compatible with the OEM piston valve relief. Recommended for street, towing, or street/strip engines with displacements up to 351 cubic inches, operating up to 6000 RPM. Part #1402 & #1472 are street legal in 50 states for 1995 and older emissions controlled vehicles under CARB EO #D-250-3. AFR heads are available bare (without parts), call our tech line for details. 

165cc Aluminum SBF Cylinder Heads
Part # Rocker Type Combustion Chamber
1399 Stud Mount - Non-Emissions Legal 58cc
1402 Stud Mount - Emissions Legal 58cc
1472 Pedestal Mount - Emissions Legal 58cc

 

165cc Street Head Flow Chart
  .200 .300 .400 .500 .550 .600
Int 135 200 240 251 255 260
Exh 122 163 192 208 212 215