AFR - Airflow Research 210cc LT4 Eliminator Street Aluminum Cylinder Heads SB-Chevy
033-1057NP
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Race Ready CNC Porting LT4 Eliminator Heads
This is an unassembled bare cylinder head with valve guides and valve seats installed only. Does not include any parts such as valves, springs, spring components, studs or guideplates.
| Small Block Chevy 210cc LT4 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 - 2.080'' (Valve not included) | |
| Exhaust Valve Size - 1.600'' (Valve not included) | |
| Intake Valve Seats | |
| Exhaust Valve Seats | |
| Bronze Valve Guides | |
| Small Block Chevy 210cc Eliminator Race Head Specifications | |
| Head Torque w/Moly Lube | 65-70 Ft. Lbs. |
| Rocker Stud Torque | 55 Ft. Lbs. |
| Intake Port Gasket, LT4 | AFR 033-6860 - DO NOT PORT MATCH Intake Manifold to Fel-Pro Gasket. |
| Exhaust Port Gasket | Fel Pro 375-1405 |
| Head Gasket | LT4 Fel Pro 375-1074 |
| Head Bolts & Studs | Standard ARP |
| Head Bolt Washers | Manley Standard |
| Stud Girdle | Standard |
| Suggested Manifold | LT4 |
| Spark Plug Starting Range | Autolite 3910 |
| Combustion Chambers | 58cc |
| Intake Port | 210cc |
| Exhaust Port | 80cc |
| Spring Pocket can be cut to 1.750, no deeper. | |
| Valve Spacing | Standard GM |
| Rocker Arms | Standard |
| 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. |
Emissions Note:
This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.
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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.