| Note | Description |
| 2 | [2] Requires machining on cylinder heads. |
| 3 | [3] Valve spring oil shield available. |
| 7 | [7] Stock springs cannot be used. |
| 10 | [10] Requires thrust button & wear plate. |
| 15 | [15] 50-State legal on ‘93 & earlier S.B. Chevrolet V8, 262-400 c.i., C.A.R.B. E.O. #D-279-4. |
| 52 | [52] Engines with self-aligning rocker arms must use part #1417-16 or 1317-16. |