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You are here: Home > Cylinder Heads > Air Flow Research Cylinder Heads > Chevrolet - Small Block > Chevrolet - Small Block 23° - Spread Port Exhaust

AFR ELIMINATOR Series Small Block Chevrolet 23° heads feature 5-AXIS CNC shaped intake and exhaust ports as well as highly modified combustion chambers. The exhaust ports are also spread apart approximately .500 compared to the standard location and feature a Stahl bolt pattern. All are available in street and competition versions. The 210cc, 220cc, 227cc, 235cc, and 245cc Small Block Chevrolet heads are designed for aggressive, non-emissions compliant, street or race applications. Spread Port or Gen II LT1/LT4 versions are also available.




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AFR Cylinder Heads
AFR Cylinder Heads_Chevrolet Small Block_23°_210cc_Competition Head_Angle Plug_75cc_Spread Port_Assembled
Price $2,066.00

P/N: AFR-1105
  • A356 Cast Aluminum
  • .500 Spread Port Exhaust
  • 210cc Intake Runner
  • Perimeter Valve Cover Bolt Pattern
  • 75cc Combustion Chamber
  • Angle Plug
  • 7/16 ARP Rocker Studs
  • Adjustable Guide Plates
more info
AFR Cylinder Heads
AFR Cylinder Heads_Chevrolet Small Block_23°_210cc_Race Ready_Angle Plug_65cc_Spread Port_Assembled
Price $1,710.00

P/N: AFR-1059
  • A356 Cast Aluminum
  • 210cc Intake Runner
  • .500 Spread Port Exhaust
  • Perimeter Valve Cover Bolt Pattern
  • 65cc Combustion Chamber
  • Angle Plug
  • 7/16 ARP Rocker Studs
  • Adjustable Guide Plates
more info
AFR Cylinder Heads
AFR Cylinder Heads_Chevrolet Small Block_23°_210cc_Race Ready_Angle Plug_75cc_Spread Port_Assembled
Price $1,710.00

P/N: AFR-1055
  • A356 Cast Aluminum
  • 210cc Intake Runner
  • .500 Spread Port Exhaust
  • Perimeter Valve Cover Bolt Pattern
  • 75cc Combustion Chamber
  • Angle Plug
  • 7/16 ARP Rocker Studs
  • Adjustable Guide Plates
more info
AFR Cylinder Heads
AFR Cylinder Heads_Chevrolet Small Block_23°_220cc_Competition Head_Angle Plug_65cc_Spread Port_Assembled
Price $2,123.00

P/N: AFR-1114
  • A356 Cast Aluminum
  • .500 Spread Port Exhaust
  • 220cc Intake Runner
  • Perimeter Valve Cover Bolt Pattern
  • 65cc Combustion Chamber
  • Angle Plug
  • 7/16 ARP Rocker Studs
  • Adjustable Guide Plates
more info
AFR Cylinder Heads
AFR Cylinder Heads_Chevrolet Small Block_23°_220cc_Competition Head_Angle Plug_75cc_Spread Port_Assembled
Price $2,123.00

P/N: AFR-1115
  • A356 Cast Aluminum
  • .500 Spread Port Exhaust
  • 220cc Intake Runner
  • Perimeter Valve Cover Bolt Pattern
  • 75cc Combustion Chamber
  • Angle Plug
  • 7/16 ARP Rocker Studs
  • Adjustable Guide Plates
more info
AFR Cylinder Heads
AFR Cylinder Heads_Chevrolet Small Block_23°_227cc_Competition Head_Angle Plug_65cc_Spread Port_Assembled
Price $2,123.00

P/N: AFR-1124
  • A356 Cast Aluminum
  • .500 Spread Port Exhaust
  • 227cc Intake Runner
  • Perimeter Valve Cover Bolt Pattern
  • 65cc Combustion Chamber
  • Angle Plug
  • 7/16 ARP Rocker Studs
  • Adjustable Guide Plates
more info
AFR Cylinder Heads
AFR Cylinder Heads_Chevrolet Small Block_23°_227cc_Competition Head_Angle Plug_75cc_Spread Port_Assembled
Price $2,123.00

P/N: AFR-1125
  • A356 Cast Aluminum
  • .500 Spread Port Exhaust
  • 227cc Intake Runner
  • Perimeter Valve Cover Bolt Pattern
  • 75cc Combustion Chamber
  • Angle Plug
  • 7/16 ARP Rocker Studs
  • Adjustable Guide Plates
more info
AFR Cylinder Heads
AFR Cylinder Heads_Chevrolet Small Block_23°_227cc_Race Ready_Angle Plug_65cc_Spread Port_Assembled
Price $1,710.00

P/N: AFR-1074
  • A356 Cast Aluminum
  • .500 Spread Port Exhaust
  • 227cc Intake Runner
  • Perimeter Valve Cover Bolt Pattern
  • 65cc Combustion Chamber
  • Angle Plug
  • 7/16 ARP Rocker Studs
  • Adjustable Guide Plates
more info
AFR Cylinder Heads
AFR Cylinder Heads_Chevrolet Small Block_23°_227cc_Race Ready_Angle Plug_75cc_Spread Port_Assembled
Price $1,710.00

P/N: AFR-1075
  • A356 Cast Aluminum
  • .500 Spread Port Exhaust
  • 227cc Intake Runner
  • Perimeter Valve Cover Bolt Pattern
  • 75cc Combustion Chamber
  • Angle Plug
  • 7/16 ARP Rocker Studs
  • Adjustable Guide Plates
more info
AFR Cylinder Heads
AFR Cylinder Heads_Chevrolet Small Block_23°_235cc_Competition Head_Angle Plug_70cc_Spread Port_Assembled
Price $2,472.00

P/N: AFR-1134-TI
  • A356 Cast Aluminum
  • .500 Spread Port Exhaust
  • 235cc Intake Runner
  • Perimeter Valve Cover Bolt Pattern
  • 70cc Combustion Chamber
  • Angle Plug
  • 7/16 ARP Rocker Studs
  • Adjustable Guide Plates
more info