AFR - Airflow Research 227cc Eliminator Race Aluminum Cylinder Heads SB-Chevy
033-1121
Items You Need
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, 2.100'' x 5.006'' o.a.l. | |
| Exhaust Valve, 1.600'' x 5.024'' o.a.l. | |
| 1.550'' OD Solid Roller Dual Valve Spring, 225 lbs. on seat, .710'' maximum lift, max RPM 7200-7400 | |
| 10º Manley 4140 Chrome Moly Retainers | |
| 10º Valve Locks | |
| 7/16'' Rocker Studs | |
| Adjustable 5/16'' Guide Plates | |
| Viton Valve Seals | |
| Hardened Spring Cups | |
| 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
WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.
Tools:
WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.
Electrical Cords
WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.