AFR - Airflow Research 210cc LT4 Eliminator Street Aluminum Cylinder Heads SB-Chevy
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Race Ready CNC Porting LT4 Eliminator Heads
| 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, 2.080'' 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 6300-6500 | |
| 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 210cc LT4 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. |
Specifications:
Motor Vehicles
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