| Stage | Specs |
|---|
| Stage 1 | Use hydraulic flat followers. .050" Duration-204/214; Cam Lift-.280/.295; Lobe Center-107/117. |
| Stage 2 | Use hydraulic flat followers. .050" Duration-214/224; Cam Lift-.295/.310; Lobe Center-107/117. |
| Stage 2a | Use hydraulic flat followers. .050" Duration-204/214; Cam Lift-.281/.296; Lobe Center-110/110. |
| Stage 2b | Use hydraulic flat followers. .050" Duration-222/222; Cam Lift-.298/.298; Lobe Center-110/118. |
| Stage 3 | Use hydraulic flat followers. .050" Duration-230/230; Cam Lift-.320/.320; Lobe Center-107/111. |
| Stage 3a | Use hydraulic flat followers. .050" Duration-234/244; Cam Lift-.325/.340; Lobe Center-107/117. |
| Stage 3 solid | Use mechanical flat followers. .050" Duration-228/228; Cam Lift-.320/.320; Lobe Center-106/114. |
| Stage 4 | Use hydraulic flat followers. .050" Duration-244/254; Cam Lift-.340/.355; Lobe Center-107/117. |
| Stage 4 solid | Use mechanical flat followers. .050" Duration-254/254; Cam Lift-.323/.323; Lobe Center-110/118. |
| Stage 4a solid | Use mechanical flat followers. .050" Duration-257/270; Cam Lift-.329/.341; Lobe Center-108/116. |