- Accessory Bolt Holes Drilled
| Yes |
- CNC-Machined Combustion Chamber
| Yes |
- CNC-Machined Exhaust Runner
| Yes |
- CNC-Machined Intake Runner
| Yes |
- Combustion Chamber Style
| Heart |
- Combustion Chamber Volume (cc)
| 58 |
- Cylinder Head Finish
| Natural |
- Cylinder Head Material
| Aluminum |
- Cylinder Head Style
| Assembled |
- Damper Spring Included
| Yes |
- Exhaust Port Location
| Standard |
- Exhaust Port Shape
| Square |
- Exhaust Runner Volume (cc)
| 68cc |
- Exhaust Valve Angle
| 20 |
- Exhaust Valve Diameter (in)
| 1.600 in. |
- Exhaust Valves Included
| Yes |
- Guideplate Pushrod Size
| 5/16 in. |
- Guideplates Included
| Yes |
- Heat Crossover
| Yes |
- Intake Port Location
| Standard |
- Intake Port Shape
| Rectangular |
- Intake Runner Volume (cc)
| 185cc |
- Intake Valve Angle
| 20 |
- Intake Valve Diameter (in)
| 2.020 in. |
- Intake Valves Included
| Yes |
- Lock Style
| 7 degree |
- Locks Included
| Yes |
- Machined for O-Ring
| No |
- Maximum Valve Lift (in)
| 0.600 in. |
- Notes
| These cylinder heads will accept AIR injection and are street ported. |
- Number of Springs Per Valve
| Dual |
- Oiling Style
| Through pushrod |
- Outside Diameter of Outer Spring (in)
| 1.290 in. |
- Quantity
| Sold as a pair. |
- Retainer Material
| Chromoly steel |
- Retainers Included
| Yes |
- Rocker Arm Nut Thread Size
| 3/8-24 in. |
- Rocker Arm Nuts Included
| No |
- Rocker Arm Studs Included
| Yes |
- Rocker Arms Included
| No |
- Spark Plug Style
| Angle |
- Steam Holes Drilled
| No |
- Valve Cover Mounting Style
| Perimeter bolt |
- Valve Guide Material
| Bronze |
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