Brand: Airflow Research (AFR)
Manufacturer's Part Number: 1075
Part Type: Cylinder Heads
Product Line: AFR 227cc SBC Eliminator Race Ready Racing Heads
Automotive Fittings Part Number: AFR-1075
Combustion Chamber Volume (cc): 75
Intake Runner Volume (cc): 227cc
Exhaust Runner Volume (cc): 80cc
Cylinder Head Style: Assembled
Cylinder Head Material: Cast aluminum
Intake Port Shape: Rectangular
Intake Valve Diameter (in.): 2.100 in.
CNC-Machined Combustion Chamber: Yes
CNC-Machined Intake Runner: Yes
CNC-Machined Exhaust Runner: Yes
Combustion Chamber Style: Heart
Intake Port Location: Standard
Exhaust Port Shape: Square
Exhaust Port Location: Raised
Spark Plug Style: Angle
Intake Valves Included: Yes
Exhaust Valves Included: Yes
Exhaust Valve Diameter (in.): 1.600 in.
Valve Springs Included: Yes
Maximum Valve Lift (in.): 0.710 in.
Camshaft Style: Solid roller
Outside Diameter of Outer Spring (in.): 1.550 in.
Damper Spring Included: Yes
Number of Springs Per Valve: Dual
Retainers Included: Yes
Retainer Material: Steel
Locks Included: Yes
Lock Style: 10 degree
Valve Stem Seals Included: Yes
Valve Stem Seal Style: Positive stop
Rocker Arm Studs Included: Yes
Rocker Arm Nut Thread Size: 7/16 in.-20
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: 5-angle
Valve Seat Material: Ductile iron
Cylinder Head Color: Natural
Steam Holes Drilled: No
Oiling Style: Through pushrod
Machined for O-Ring: No
Heat Crossover: No
Remanufactured: No
Quantity: Sold as a pair.
Notes: Exhaust port is raised 0.250 in. over stock and are race ported, spring pad cannot be machined any further on these heads. Valve springs are meant for use with solid roller cams only.
Description:
AFR 227cc SBC Eliminator Race Ready Racing heads offer outstanding track performance at a competitive price. Exhaust and intake ports and combustion chambers are 100 percent CNC-ported, with coarser machine levels for terrific flow characteristics and big power gains.

The 227cc SBC Eliminator heads feature a 3/4 in. thick head deck, ideal for nitrous or blower applications. They come complete and ready-to-run with quality AFR-proven components for maximum reliability—or choose "bare" heads (no parts) to design your own ultimate power package. These cylinder heads are available in standard and spread port exhausts. AFR 227cc SBC Eliminator Race Ready racing heads are a great choice for budget-minded racers.