STANDARDThese arms fit the Big GM power steering box, which was the stock power box on about half of these GM cars in this era. It is commonly referred to as the 700 series Saginaw box. This box is distinct for its square, 4-bolt housing cover, as opposed to the round, ring-retained housing cover on the "Small GM Power" box.
| Make | Model | Years |
| Buick | Century | 1978 - 1981 |
| Buick | Regal | 1978 - 1987 |
| Chevrolet | El Camino | 1978 - 1987 |
| Chevrolet | Malibu | 1978 - 1983 |
| Chevrolet | Monte Carlo | 1978 - 1988 |
| GMC | Caballero | 1978 - 1987 |
| Oldsmobile | Calais | 1985 - 1987 |
| Oldsmobile | Cutlass | 1978 - 1988 |
| Pontiac | Grand Am | 1978 - 1980 |
| Pontiac | Grand LeMans | 1978 - 1981 |
| Pontiac | LeMans | 1978 - 1981 |
