| Combustion Chamber Volume | 64cc /68cc |
| Fitment | Vehicle Specific |
| Cylinder Head Type | Standard |
| Deck Thickness | 9/16" |
| Emission | Non-Emissions |
| Engine Make/Size | Chevy Small Block (262-400) |
| Exhaust port location | N/A |
| Exhaust Runner Volume | 75cc / 88cc |
| Exhaust Valve Diameter | 1.60" |
| Finish | N/A |
| Guideplate | Hardened Steel |
| Intake Runner Volume | 185cc / 225cc / 260cc |
| Intake Valve Diameter | 2.02" (185cc) / 2.10" (225cc) |
| Preparation | Bolt On (Not Required) |
| Pushrod Diameter | 5/16" |
| Rocker Stud | 3/8" (185cc) / 7/16" (225cc) |
| Spark Plug Fitment | 14mm x .750 reach, gasket seat |
| Type | Complete |
| Usage | Street/Performance |
| Valve Angle | 23° |
| Valve Guides | N/A |
| Valve Spring Diameter | 1.46" |
| Valve spring maximum lift | .575" |
| Valve Stem Diameter | N/A |