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You are here: Home > Cylinder Heads > Air Flow Research Cylinder Heads > Chevrolet - Big Block > Chevrolet - Big Block 24° - Rectangular Port


AFR MAGNUM cylinder heads for the Big Block Chevy Rectangular Port are designed with runner volumes of 305cc, 315cc, 325cc, 335cc, 345cc, 357cc, 377cc and 385cc. All AFR heads are made of A356 aluminum and are equipped with high quality components throughout. Component upgrades and different machining options are available to customize your AFR heads for your specific build.




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AFR Cylinder Heads
AFR Cylinder Heads_Chevrolet_Big Block_24°_305cc_Rectangular Port_117cc_Assembled_Solid Roller
Price $2,430.00

P/N: AFR-2100
  • A356 Cast Aluminum
  • 305cc Intake Runner
  • Perimeter Valve Cover Bolt Pattern
  • 117cc Combustion Chamber
  • 7/16 ARP Rocker Studs
  • 3/8 Adjustable Guide Plates
more info
AFR Cylinder Heads
AFR Cylinder Heads_Chevrolet_Big Block_24°_305cc_Rectangular Port_121cc_Assembled_Solid Roller
Price $2,621.00

P/N: AFR-2100-1
  • A356 Cast Aluminum
  • 305cc Intake Runner
  • Perimeter Valve Cover Bolt Pattern
  • 121cc Combustion Chamber
  • 7/16 ARP Rocker Studs
  • 3/8 Adjustable Guide Plates
more info
AFR Cylinder Heads
AFR Cylinder Heads_Chevrolet_Big Block_24°_315cc_Rectangular Port_121cc_Assembled_Solid Roller
Price $3,195.00

P/N: AFR-2000
  • A356 Cast Aluminum
  • 315cc Intake Runner
  • Perimeter Valve Cover Bolt Pattern
  • 121cc Combustion Chamber
  • 7/16 ARP Rocker Studs
  • 3/8 Adjustable Guide Plates
more info
AFR Cylinder Heads
AFR Cylinder Heads_Chevrolet_Big Block_24°_325cc_Rectangular Port_117cc_Assembled_Solid Roller
Price $2,430.00

P/N: AFR-2101
  • A356 Cast Aluminum
  • 325cc Intake Runner
  • Perimeter Valve Cover Bolt Pattern
  • 117cc Combustion Chamber
  • 7/16 ARP Rocker Studs
  • 3/8 Adjustable Guide Plates
more info
AFR Cylinder Heads
AFR Cylinder Heads_Chevrolet_Big Block_24°_325cc_Rectangular Port_121cc_Assembled_Solid Roller
Price $2,621.00

P/N: AFR-2101-1
  • A356 Cast Aluminum
  • 325cc Intake Runner
  • Perimeter Valve Cover Bolt Pattern
  • 121cc Combustion Chamber
  • 7/16 ARP Rocker Studs
  • 3/8 Adjustable Guide Plates
more info
AFR Cylinder Heads
AFR Cylinder Heads_Chevrolet_Big Block_24°_335cc_Rectangular Port_121cc_Assembled_Solid Roller
Price $3,195.00

P/N: AFR-2001
  • A356 Cast Aluminum
  • 335cc Intake Runner
  • Perimeter Valve Cover Bolt Pattern
  • 121cc Combustion Chamber
  • 7/16 ARP Rocker Studs
  • 3/8 Adjustable Guide Plates
more info
AFR Cylinder Heads
AFR Cylinder Heads_Chevrolet_Big Block_24°_345cc_Rectangular Port_117cc_Assembled_Solid Roller
Price $2,430.00

P/N: AFR-2110
  • A356 Cast Aluminum
  • 345cc Intake Runner
  • Perimeter Valve Cover Bolt Pattern
  • 117cc Combustion Chamber
  • 7/16 ARP Rocker Studs
  • 3/8 Adjustable Guide Plates
more info
AFR Cylinder Heads
AFR Cylinder Heads_Chevrolet_Big Block_24°_345cc_Rectangular Port_121cc_Assembled_Solid Roller
Price $2,621.00

P/N: AFR-2110-1
  • A356 Cast Aluminum
  • 345cc Intake Runner
  • Perimeter Valve Cover Bolt Pattern
  • 121cc Combustion Chamber
  • 7/16 ARP Rocker Studs
  • 3/8 Adjustable Guide Plates
more info
AFR Cylinder Heads
AFR Cylinder Heads_Chevrolet_Big Block_24°_357cc_Rectangular Port_121cc_Assembled_Solid Roller
Price $3,356.00

P/N: AFR-2010-TI
  • A356 Cast Aluminum
  • 357cc Intake Runner
  • Perimeter Valve Cover Bolt Pattern
  • 121cc Combustion Chamber
  • 7/16 ARP Rocker Studs
  • 3/8 Adjustable Guide Plates
more info
AFR Cylinder Heads
AFR Cylinder Heads_Chevrolet_Big Block_24°_377cc_Rectangular Port_122cc_Assembled_Solid Roller
Price $3,457.00

P/N: AFR-2015-TI
  • A356 Cast Aluminum
  • 377cc Intake Runner
  • Perimeter Valve Cover Bolt Pattern
  • 122cc Combustion Chamber
  • 7/16 ARP Rocker Studs
  • 3/8 Adjustable Guide Plates
more info