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


AFR MAGNUM cylinder heads for the Big Block Chevy Oval Port are designed with runner volumes of 265cc, 290cc, and 300cc. All AFR heads are made with 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°_265cc_Oval Port_109cc_Assembled_Hydraulic Roller
Price $2,639.00

P/N: AFR-3610
  • A356 Cast Aluminum
  • 265cc Intake Runner
  • Perimeter Valve Cover Bolt Pattern
  • 109cc Combustion Chamber
  • 7/16 ARP Rocker Studs
  • 3/8 Adjustable Guide Plates
 more info
AFR Cylinder Heads
AFR Cylinder Heads_Chevrolet_Big Block_24°_265cc_Oval Port_109cc_Assembled_Solid Roller
Price $2,670.00

P/N: AFR-3620
  • A356 Cast Aluminum
  • 265cc Intake Runner
  • Perimeter Valve Cover Bolt Pattern
  • 109cc Combustion Chamber
  • 7/16 ARP Rocker Studs
  • 3/8 Adjustable Guide Plates
 more info
AFR Cylinder Heads
AFR Cylinder Heads_Chevrolet_Big Block_24°_265cc_Oval Port_112cc_Assembled_Hydraulic Roller
Price $2,889.00

P/N: AFR-3610-1
  • A356 Cast Aluminum
  • 265cc Intake Runner
  • Perimeter Valve Cover Bolt Pattern
  • 112cc Combustion Chamber
  • 7/16 ARP Rocker Studs
  • 3/8 Adjustable Guide Plates
 more info
AFR Cylinder Heads
AFR Cylinder Heads_Chevrolet_Big Block_24°_265cc_Oval Port_112cc_Assembled_Solid Roller
Price $2,918.00

P/N: AFR-3620-1
  • A356 Cast Aluminum
  • 265cc Intake Runner
  • Perimeter Valve Cover Bolt Pattern
  • 112cc Combustion Chamber
  • 7/16 ARP Rocker Studs
  • 3/8 Adjustable Guide Plates
 more info
AFR Cylinder Heads
AFR Cylinder Heads_Chevrolet_Big Block_24°_290cc_Oval Port_112cc_Assembled_Hydraulic Roller
Price $3,671.00

P/N: AFR-3640
  • A356 Cast Aluminum
  • 290cc Intake Runner
  • Perimeter Valve Cover Bolt Pattern
  • 112cc Combustion Chamber
  • 7/16 ARP Rocker Studs
  • 3/8 Adjustable Guide Plates
 more info
AFR Cylinder Heads
AFR Cylinder Heads_Chevrolet_Big Block_24°_290cc_Oval Port_112cc_Assembled_Solid Roller
Price $3,701.00

P/N: AFR-3650
  • A356 Cast Aluminum
  • 290cc Intake Runner
  • Perimeter Valve Cover Bolt Pattern
  • 112cc Combustion Chamber
  • 7/16 ARP Rocker Studs
  • 3/8 Adjustable Guide Plates
 more info
AFR Cylinder Heads
AFR Cylinder Heads_Chevrolet_Big Block_24°_300cc_Oval Port_112cc_Assembled_Hydraulic Roller
Price $3,750.00

P/N: AFR-3670
  • A356 Cast Aluminum
  • 300cc Intake Runner
  • Perimeter Valve Cover Bolt Pattern
  • 112cc Combustion Chamber
  • 7/16 ARP Rocker Studs
  • 3/8 Adjustable Guide Plates
 more info
AFR Cylinder Heads
AFR Cylinder Heads_Chevrolet_Big Block_24°_300cc_Oval Port_112cc_Assembled_Solid Roller
Price $3,876.00

P/N: AFR-3680
  • A356 Cast Aluminum
  • 300cc Intake Runner
  • Perimeter Valve Cover Bolt Pattern
  • 112cc Combustion Chamber
  • 7/16 ARP Rocker Studs
  • 3/8 Adjustable Guide Plates
 more info