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  Home > Cylinder Heads > Air Flow Research Cylinder Heads > Chevrolet - Big Block > Chevrolet - Big Block 24° - Oval Port >

AFR Cylinder Heads_Chevrolet_Big Block_24°_300cc_Oval Port_112cc_Assembled_Hydraulic Roller
AFR Cylinder Heads

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Price $3,750.00


Product Code: AFR-3670

Description Technical Specs
 


AFR 300cc Oval Port heads feature 100% CNC ported intake, exhaust and chambers, A356 aluminum castings and high quality components throughout. Recommended for aggressive street, street/strip or race builds with displacements up to 540 cubic inches, operating up to 6800 RPM. Component upgrades and machining options are available to customize AFR Heads to your specific build. AFR heads are available bare (without parts), call our tech line for details.

  • 300cc CNC Ported Intake Runners
  • A356 Aluminum
  • 11/32 Bronze Valve guides
  • 5 angle valve job
  • Precision CNC machining
  • Multiple spring options


Assembled heads feature:
  • 11/32 Intake Valves
  • 11/32 Nail Head Exhaust Valves
  • PAC Racing Valve Springs
  • 7/16 ARP Rocker Studs
  • 3/8 Adjustable guide plates


www.P65Warnings.ca.gov
Flow Chart

Flow Data: cfm @ 28 inches of Water
Lift .200 .300 .400 .500 .550 .600 .650 .700
Intake 165 240 300 345 369 380 390 394
Exhaust 135 185 234 266 285 295 301 314


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