To get the latest news about Performance Liquidations sales and new products, please enter your email address below.






You are here: Home > Cylinder Heads > Air Flow Research Cylinder Heads > Chevrolet - Small Block > Chevrolet - Small Block 23° - LT1/LT4

Air Flow Research LT1/LT4 Small Block Chevrolet heads are designed for the Gen II reverse cooled Small Block Chevrolet engine from 1992-1997. They feature all the same benefits and quality components as Air Flow Research Gen I Small Block Chevrolet heads. Additionally they are machined to accept both center bolt and perimeter bolt valve covers. Not compatible with self-aligning rocker arms.




Sort By:
Page of 1
AFR Cylinder Heads
AFR Cylinder Heads_Chevrolet Small Block_23°_LT1/LT4 Reverse Cooling_195cc_Competition Head_Angle Plug_65cc_Assembled
Price $2,200.00

P/N: AFR-1039
  • A356 Cast Aluminum
  • 195cc Intake Runner
  • Perimeter Valve Cover 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°_LT1/LT4_Reverse Cooling_180cc_Street Head_Angle Plug_54cc_Assembled
Price $1,725.00

P/N: AFR-0909
  • A356 Cast Aluminum
  • 180cc Intake Runner
  • Dual Valve Cover Bolt Patterns
  • 64cc Combustion Chamber
  • Angle Plug
  • 3/8 ARP Rocker Studs
  • Adjustable Guide Plates
more info
AFR Cylinder Heads
AFR Cylinder Heads_Chevrolet Small Block_23°_LT1/LT4_Reverse Cooling_180cc_Street Head_Angle Plug_65cc_Assembled
Price $1,725.00

P/N: AFR-0908
  • A356 Cast Aluminum
  • 180 cc Intake Runner
  • Dual Intake and Valve Cover Patterns
  • 64cc Combustion Chamber
  • Angle Plug
  • 3/8 Screw-in Studs
  • Adjustable Guide Plates
more info
AFR Cylinder Heads
AFR Cylinder Heads_Chevrolet Small Block_23°_LT1/LT4_Reverse Cooling_195cc_Street Head_Angle Plug_54cc_Assembled
Price $1,725.00

P/N: AFR-1032
  • A356 Cast Aluminum
  • 195cc Intake Runner
  • Center Bolt or Perimeter Valve Cover Pattern
  • 54cc Combustion Chamber
  • Angle Plug
  • 3/8 ARP Rocker Studs
  • Adjustable Guide Plates
more info
AFR Cylinder Heads
AFR Cylinder Heads_Chevrolet Small Block_23°_LT1/LT4_Reverse Cooling_195cc_Street Head_Angle Plug_65cc_Assembled
Price $1,725.00

P/N: AFR-1031
  • A356 Cast Aluminum
  • 195cc Intake Runner
  • Center Bolt or Perimeter Valve Cover Pattern
  • 65cc Combustion Chamber
  • Angle Plug
  • 3/8 ARP Rocker Studs
  • Adjustable Guide Plates
more info
AFR Cylinder Heads
AFR Cylinder Heads_Chevrolet Small Block_23°_LT1/LT4_Reverse Cooling_210cc_Competition Head_Angle Plug_65cc_Assembled
Price $2,267.00

P/N: AFR-1101
  • A356 Cast Aluminum
  • 210cc Intake Runner
  • Center Bolt or Perimeter Valve Cover 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°_LT1/LT4_Reverse Cooling_210cc_Race Ready_Angle Plug_65cc_Assembled
Price $1,827.00

P/N: AFR-1057
  • A356 Cast Aluminum
  • 210cc Intake Runner
  • Center Bolt or Perimeter Valve Cover 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°_LT1/LT4_Reverse Cooling_227cc_Competition Head_Angle Plug_65cc_Assembled
Price $2,313.00

P/N: AFR-1126
  • A356 Cast Aluminum
  • 227cc Intake Runner
  • Center Bolt or Perimeter Valve Cover 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°_LT1/LT4_Reverse Cooling_227cc_Race Ready_Angle Plug_65cc_Assembled
Price $1,827.00

P/N: AFR-1076
  • A356 Cast Aluminum
  • 227cc Intake Runner
  • Center Bolt or Perimeter Valve Cover Pattern
  • 65cc Combustion Chamber
  • Angle Plug
  • 7/16 ARP Rocker Studs
  • Adjustable Guide Plates
more info