Air Flow Research AFR1120 Eliminator Aluminium Cylinder Heads 75cc Angled Plug

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AFR - Air Flow Research

AFR1120

Regular price $6,370.00 AUD
Regular price Sale price $6,370.00 AUD
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Air Flow Research AFR1120 Eliminator Aluminium Cylinder Heads 75cc Angled Plug

Item Description

AFR 227cc Eliminator Racing Aluminium Cylinder Heads (Angled Plug)Competition Package 75cc Combustion Chamber. Suit S/B Chev AFR1120You'll be the baddest thing on four wheels with AFR 227cc SBC Eliminator Competition Racing heads. These Competition package heads kick up your power production. Intake ports, exhaust ports and cylinder heads are 100 percent CNC-ported with finer machine levels and improved port shaped details for optimum flow characteristics. Proudly made in the USA, these AFR 227cc SBC Eliminator heads have a 3/4 in. thick head deck ideal for nitrous or blower applications and come complete and ready to run with AFR power-proven components for ultimate power and reliability. Or, choose "bare" heads (no parts) to design your own ultimate power package. These heads are available in standard and spread port exhaust. Bolt on performance--AFR 227cc SBC Eliminator Competition Racing heads. Application:
  • S/B Chev, 350 cid to 434 cid engines from 1955-86.


  • Cylinder Head Style: Assembled
  • Cylinder Head Material: Aluminum
  • Cylinder Head Finish: Natural
  • Combustion Chamber Volume (cc): 75
  • CNC-Machined Combustion Chamber: Yes
  • Intake Runner Volume (cc): 227cc
  • Exhaust Runner Volume (cc): 80cc
  • CNC-Machined Intake Runner: Yes
  • CNC-Machined Exhaust Runner: Yes
  • Combustion Chamber Style: Heart
  • Intake Port Shape: Rectangular
  • Intake Port Location: Standard
  • Exhaust Port Shape: Square
  • Exhaust Port Location: Raised
  • Spark Plug Style: Angle
  • Intake Valves Included: Yes
  • Intake Valve Diameter (in): 2.100 in.
  • Exhaust Valves Included: Yes
  • Exhaust Valve Diameter (in): 1.600 in.
  • Valve Springs Included: Yes
  • Maximum Valve Lift (in): 0.710 in.
  • Outside Diameter of Outer Spring (in): 1.550 in.
  • Damper Spring Included: Yes
  • Number of Springs Per Valve: Dual
  • Retainers Included: Yes
  • Retainer Material: Chromoly steel
  • Locks Included: Yes
  • Lock Style: 10 degree
  • Valve Stem Seals Included: Yes
  • Rocker Arm Studs Included: Yes
  • Rocker Arm Nut Thread Size: 7/16-20 in.
  • Rocker Arms Included: No
  • Rocker Arm Nuts Included: No
  • Guideplates Included: Yes
  • Guideplate Pushrod Size: 5/16 in.
  • Valve Cover Mounting Style: Perimeter bolt
  • Accessory Bolt Holes Drilled: Yes
  • Intake Valve Angle: 23
  • Exhaust Valve Angle: 23
  • Valve Guides Included: Yes
  • Valve Guide Material: Bronze
  • Valve Seats Machined: Yes
  • Valve Seat Machine Style: 3-angle
  • Valve Seat Material: Ductile iron
  • Steam Holes Drilled: No
  • Oiling Style: Through pushrod
  • Machined for O-Ring: No
  • Heat Crossover: No
  • Quantity: Sold as a pair.Notes: 60/40 Valve Spacing. Not compatible with Self-Aligning Rocker Arms. .050 Off-set or Shaft Mount Rocker Arms Recommended for optimized Geometry. Exhaust port is raised 0.250 in. over stock. Competition CNC strip porting.

Manufacturer Information

  • Manufacturer: AFR - Air Flow Research
  • Manufacturer Part Number:
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  • Please Note: Images are for representation only and may differ than the actual product - please contact us if you require an exact photo

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    Our team are all passionate about the Automotive Industry and involved with lots of avenues of Motorsports. We have mechanics, engine builders and die-hard enthusiasts here to answer your questions or give you expert advice for your ride - just give us a call!

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