AFR - Airflow Research Eliminator 245 cc Small Head Bolt Cylinder Heads
033-1215NP
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Chevy Small Block
245 cc Eliminator
Components
- Full CNC Ported Combustion Chambers
- Full CNC Ported Exhaust Ports
- Full CNC Ported Intake Ports
- Competition 5-Angle Valve Job
- Intake Valve Seats: Ductile Iron 2.200 in. OD, 1.750 in. ID, .375 in. Deep
- Exhaust Valve Seats: Ductile Iron 1.696 in. OD, 1.325 in. ID, .305 in. Deep
- 8 mm Bronze Valve Guides: .502 in. OD x 2.100 in. OAL
Head Specifications
- Requires shaft mount rocker arms for best geometry (.050 in. offset rockers in drag race applications only)
- Head Torque w/Moly Lube: 65-70 ft.-lbs.
- Rocker Stud Torque: 55 ft.-lbs.
- Intake Port Dimension, 2.200 in. x 1.290 in. w/ 5/16 in. radius
- Fel-Pro 375-1206 - DO NOT PORT MATCH Intake Manifold to Fel-Pro Gasket.
- Exhaust Port Dimension: 1.465 in. H x 1.570 in. W
- Exhaust Port Gasket: Fel Pro 375-1405
- Head Gasket: 350 ci Fel Pro 375-1004, 400 ci Fel Pro 375-1014
- Stud Girdle: Offset
- Spark Plug Starting Range Autolite 3922 (14mm x .750 in. Gasket Seat)
- Combustion Chambers: 80 cc
- Intake Port: 245 cc
- Exhaust Port: 80 cc raised .250 in.
- Spring Pocket: 1.580 OD; Max Machine: 1.680 in. OD
- Deck Thickness: .750 in.
- Valve Spacing: 60/40
- Rocker Arms: Standard
- Valve Angle: 23 Degree
- Angle Mill: .008 in. per 55 cc
- Flat Mill .006 in. per 60 cc
- Flat and Angle mills might require a .120 in. thick head gasket.
- Requires a minimum 4 in. Bore
- Permeter bolt valve cover
Head Flow
Tested conducted at 28 in. of water pressure on Superflow 600 w/ 4.155 in. bore, 3/4 in. radius plate exhaust, 1 7/8 in. curved pipe
Intake:
- .200: 161
- .300: 224
- .400: 261
- .500: 301
- .550: 311
- .600: 320
- .650: 331
- .700: 337
- .800: 345
Exhaust:
- .200: 128
- .300: 165
- .400: 214
- .500: 228
- .550: 237
- .600: 238
- .650: 243
- .700: 245
- .800: 250
Specifications:
Motor Vehicles
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Tools:
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Electrical Cords
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