AFR - Airflow Research 227cc Eliminator Race Aluminum Cylinder Heads SB-Chevy
033-1121NP
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Competition Package Race Ready CNC Porting Eliminator Heads
| Small Block Chevy 227cc Eliminator Race Basic Package Components | |
| 100% CNC Ported Combustion Chambers | |
| 100% CNC Ported Exhaust Ports | |
| 100% CNC Ported Intake Ports | |
| Competition 5-Angle Valve Job | |
| Intake Valve Size - 2.100'' (Valve not included) | |
| Exhaust Valve Size - 1.600'' (Valve not included) | |
| Intake Valve Seats | |
| Exhaust Valve Seats | |
| Bronze Valve Guides | |
| Small Block Chevy 227cc Eliminator Race Head Specifications | |
| Head Torque w/Moly Lube | 65-70 Ft. Lbs. |
| Rocker Stud Torque | 55 Ft. Lbs. |
| Intake Port Gasket, 1.310'' x 2.180'' w/ 3/8'' radius | Fel-Pro 375-1206 - DO NOT PORT MATCH Intake Manifold to Fel-Pro Gasket. |
| Exhaust Port Gasket | Fel Pro 375-1405 |
| Head Gasket | 350ci Fel Pro 375-1003 400ci Fel Pro 375-1014 |
| Head Bolts & Studs | Standard ARP |
| Head Bolt Washers | Manley Standard |
| Stud Girdle | AFR Offset 033-6208 |
| Suggested Manifold | AFR p/n 033-4801, AFR p/n 033-4802 or Edelbrock Vic Jr p/n 350-2975 or Super Victor p/n 350-2925 |
| Spark Plug Starting Range | Autolite 3910 |
| Combustion Chambers | 65cc |
| Intake Port | 227cc |
| Exhaust Port | 80cc |
| Spring Pocket can be cut to 1.680, no deeper. | |
| Valve Spacing | 60/40 |
| Rocker Arms | .450'' Offset / Shaft Mount |
| Valve Angle | 23° |
| Angle Mill | .008'' per cc |
| Flat Mill | .006'' per cc |
| NOTE: | Flat and Angle mills might require a .120'' thick head gasket. |
Specifications:
Motor Vehicles
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Tools:
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Electrical Cords
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