Description
AFR – Airflow Research 0912 – AFR Small Block Chevy 190cc Eliminator Vortec Street Aluminum Cylinder Heads Details
| Small Block Chevy 190cc Eliminator Vortec 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, 2.020” x 4.903” o.a.l. | |
| Exhaust Valve, 1.600” x 4.955” o.a.l. | |
| 1.290” OD Hydraulic Roller Dual Valve Spring, 135 lbs. on seat, .600” maximum lift, max RPM 6300-6500 | |
| 7º Manley 4140 Chrome Moly Retainers | |
| 7º Valve Locks | |
| 3/8” 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 190cc Eliminator Vortec Street Head Specifications | |
| Head Torque w/Moly Lube | 65-70 Ft. Lbs. |
| Rocker Stud Torque | 55 Ft. Lbs. |
| Intake Port Gasket (GM Vortec) | Fel-Pro 1255 or MS90131 – DO NOT PORT MATCH Intake Manifold to Fel-Pro Gasket. |
| Exhaust Port Gasket | Fel Pro 1404 |
| Head Gasket | 350ci Fel Pro 1003 400ci Fel Pro 1014 |
| Head Bolts & Studs | Standard ARP |
| Head Bolt Washers | Manley Standard |
| Stud Girdle | Standard |
| Suggested Manifold | GM Vortec or Edelbrock 2116 or 7116 |
| Spark Plug Starting Range | AC FR3LS or 41629 |
| Combustion Chambers | 65cc |
| Spring Pocket can be cut to 1.625, no deeper. | |
| Valve Spacing | Standard GM L98 |
| 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. |
