Air Flow Research AFR1121-60 Chev SB 227cc Eliminator Comp Heads 65cc Chamber 1 (pair) Complete
AFR - Air Flow Research
AFR1121-60
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Air Flow Research AFR1121-60 Chev SB 227cc Eliminator Comp Heads 65cc Chamber 1 (pair) Complete
Item Description
AFR AFR1121-60 CHEV SB 227CC ELIMINATOR COMP HEADS 65CC CHAMBER 1 PAIR COMPLETE
You'll be the baddest thing on four wheels with AFR 227cc SBC Eliminator Competition Racing heads. These Competition package heads kick up your power production. Intake ports, exhaust ports and cylinder heads are 100 percent CNC-ported with finer machine levels and improved port shaped details for optimum flow characteristics. Proudly made in the USA, these AFR 227cc SBC Eliminator heads have a 3/4 in. thick head deck ideal for nitrous or blower applications and come complete and ready to run with AFR power-proven components for ultimate power and reliability. Or, choose "bare" heads (no parts) to design your own ultimate power package. These heads are available in standard and spread port exhaust. Bolt on performance--AFR 227cc SBC Eliminator Competition Racing heads.60cc Chambers Upgrade
Specs:Application: Chev Small Block 302-327-350-400 C.I.D | Cylinder Head Style | Assembled |
| Cylinder Head Material | Aluminum |
| Cylinder Head Finish | Natural |
| Combustion Chamber Volume (cc) | 60 |
| CNC-Machined Combustion Chamber | Yes |
| Intake Runner Volume (cc) | 227cc |
| Exhaust Runner Volume (cc) | 80cc |
| CNC-Machined Intake Runner | Yes |
| CNC-Machined Exhaust Runner | Yes |
| Combustion Chamber Style | Heart |
| Intake Port Shape | Rectangular |
| Intake Port Location | Standard |
| Exhaust Port Shape | Square |
| Exhaust Port Location | Raised |
| Spark Plug Style | Angle |
| Intake Valves Included | Yes |
| Intake Valve Diameter (in) | 2.100 in. |
| Exhaust Valves Included | Yes |
| Exhaust Valve Diameter (in) | 1.600 in. |
| Valve Springs Included | Yes |
| Maximum Valve Lift (in) | 0.710 in. |
| Outside Diameter of Outer Spring (in) | 1.550 in. |
| Damper Spring Included | Yes |
| Number of Springs Per Valve | Dual |
| Retainers Included | Yes |
| Retainer Material | Chromoly steel |
| Locks Included | Yes |
| Lock Style | 10 degree |
| Valve Stem Seals Included | Yes |
| Valve Stem Seal Style | Viton® |
| Rocker Arm Studs Included | Yes |
| Rocker Arm Nut Thread Size | 7/16-20 in. |
| Rocker Arms Included | No |
| Rocker Arm Nuts Included | No |
| Guideplates Included | Yes |
| Guideplate Pushrod Size | 5/16 in. |
| Valve Cover Mounting Style | Perimeter bolt |
| Accessory Bolt Holes Drilled | Yes |
| Intake Valve Angle | 23 |
| Exhaust Valve Angle | 23 |
| Valve Guides Included | Yes |
| Valve Guide Material | Bronze |
| Valve Seats Machined | Yes |
| Valve Seat Machine Style | 3-angle |
| Valve Seat Material | Ductile iron |
| Steam Holes Drilled | No |
| Oiling Style | Through pushrod |
| Machined for O-Ring | No |
| Heat Crossover | No |
| Quantity | Sold as a pair. |
| Notes | 60/40 Valve Spacing ,not compatible with self-aligning rocker arms. .050 Off-set or shaft mount rocker arms recommended for optimized Geometry. Exhaust port is raised 0.250 in. over stock. These cylinder heads are competition ported. |
Manufacturer Information
- Manufacturer: AFR - Air Flow Research
- Manufacturer Part Number:
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