- Accessory Bolt Holes Drilled
| Yes |
- CNC-Machined Combustion Chamber
| No |
- CNC-Machined Exhaust Runner
| No |
- CNC-Machined Intake Runner
| No |
- Combustion Chamber Style
| Semi-open |
- Combustion Chamber Volume (cc)
| 100 |
- Cylinder Head Finish
| Natural |
- Cylinder Head Material
| Aluminum |
- Cylinder Head Style
| Assembled |
- Damper Spring Included
| No |
- Exhaust Port Location
| Standard |
- Exhaust Port Shape
| Square |
- Exhaust Runner Volume (cc)
| 110cc |
- Exhaust Valve Diameter (in)
| 1.880 in. |
- Exhaust Valves Included
| Yes |
- Guideplate Pushrod Size
| 3/8 in. |
- Guideplates Included
| Yes |
- Heat Crossover
| Yes |
- Intake Port Location
| Standard |
- Intake Port Shape
| Oval |
- Intake Runner Volume (cc)
| 290cc |
- Intake Valve Diameter (in)
| 2.190 in. |
- Intake Valves Included
| Yes |
- Lock Style
| 7 degree |
- Locks Included
| Yes |
- Machined for O-Ring
| No |
- Maximum Valve Lift (in)
| 0.700 in. |
- Notes
| The spark plug location has been moved .150 inch closer toward the bore center. Custom pistons are recommended make sure to check clearance before final assembly. |
- Number of Springs Per Valve
| Single |
- Oiling Style
| Through pushrod |
- Outside Diameter of Outer Spring (in)
| 1.540 in. |
- Quantity
| Sold individually. |
- Retainer Material
| Steel |
- Retainers Included
| Yes |
- Rocker Arm Nut Thread Size
| 7/16-20 in. |
- Rocker Arm Nuts Included
| No |
- Rocker Arm Studs Included
| Yes |
- Rocker Arms Included
| No |
- Steam Holes Drilled
| No |
- Valve Cover Mounting Style
| Perimeter bolt |
- Valve Guide Material
| Manganese bronze |
- Valve Guides Included
| Yes |
- Valve Seat Machine Style
| 3-angle |
- Valve Seat
|
