| ENGINE | YEAR | 
       DESCRIPTION  | 
    CASTING # | 
       Part #  | 
  
| Buick 8 Cylinder | ||||
| 350
       
 
  | 
    68-69 | Drilled rocker arm oil delivery, solid push rods | 546 | 4806 | 
| 70-72 | w/o A.I.R. | 650, 472, 556 | 4811 | |
| 73-84 | w/o A.I.R., vin H, J, X | 861, 452 | 4807 | |
| w/A.I.R., vin H, J, X | 861, 452 | 4808 | ||
| 400, 430 | 67-69 | Drilled rocker arm oil delivery | 4802 | |
| 455
       
  | 
    70-72 | w/o A.I.R. | 4804 | |
| 73-76 | w/A.I.R. | 860 | 4809 | |
| w/o A.I.R. | 322 | 4812 | ||