| 1991 | Chevrolet | P30 | | 52 inch Springs with 5/8 inch diameter spring bolts, Multileaf only. Included vans and motorhomes. |
| 1992 | Chevrolet | P30 | | 52 inch Springs with 5/8 inch diameter spring bolts, Multileaf only. Included vans and motorhomes. |
| 1993 | Chevrolet | P30 | | 52 inch Springs with 5/8 inch diameter spring bolts, Multileaf only. Included vans and motorhomes. |
| 1994 | Chevrolet | P30 | | 52 inch Springs with 5/8 inch diameter spring bolts, Multileaf only. Included vans and motorhomes. |
| 1995 | Chevrolet | P30 | | 52 inch Springs with 5/8 inch diameter spring bolts, Multileaf only. Included vans and motorhomes. |
| 1996 | Chevrolet | P30 | | 52 inch Springs with 5/8 inch diameter spring bolts, Multileaf only. Included vans and motorhomes. |
| 1997 | Chevrolet | P30 | | 52 inch Springs with 5/8 inch diameter spring bolts, Multileaf only. Included vans and motorhomes. |
| 1998 | Chevrolet | P30 | | 52 inch Springs with 5/8 inch diameter spring bolts, Multileaf only. Included vans and motorhomes. |
| 1999 | Chevrolet | P30 | | 52 inch Springs with 5/8 inch diameter spring bolts, Multileaf only. Included vans and motorhomes. |
| 1999 | Workhorse | P32 | | 52 inch Springs with 5/8 inch diameter spring bolts, Multileaf only |
| 1991 | Chevrolet | P32 Motorhome | | 52 inch Springs with 5/8 inch diameter spring bolts, Multileaf only |
| 1992 | Chevrolet | P32 Motorhome | | 52 inch Springs with 5/8 inch diameter spring bolts, Multileaf only |
| 1993 | Chevrolet | P32 Motorhome | | 52 inch Springs with 5/8 inch diameter spring bolts, Multileaf only |
| 1994 | Chevrolet | P32 Motorhome | | 52 inch Springs with 5/8 inch diameter spring bolts, Multileaf only |
| 1995 | Chevrolet | P32 Motorhome | | 52 inch Springs with 5/8 inch diameter spring bolts, Multileaf only |
| 1996 | Chevrolet | P32 Motorhome | | 52 inch Springs with 5/8 inch diameter spring bolts, Multileaf only |
| 1997 | Chevrolet | P32 Motorhome | | 52 inch Springs with 5/8 inch diameter spring bolts, Multileaf only |
| 1998 | Chevrolet | P32 Motorhome | | 52 inch Springs with 5/8 inch diameter spring bolts, Multileaf only |
| 1999 | Chevrolet | P32 Motorhome | | 52 inch Springs with 5/8 inch diameter spring bolts, Multileaf only |
| 1991 | GMC | P3500 | | 52 inch Springs with 5/8 inch diameter spring bolts, Multileaf only |
| 1992 | GMC | P3500 | | 52 inch Springs with 5/8 inch diameter spring bolts, Multileaf only |
| 1993 | GMC | P3500 | | 52 inch Springs with 5/8 inch diameter spring bolts, Multileaf only |
| 1994 | GMC | P3500 | | 52 inch Springs with 5/8 inch diameter spring bolts, Multileaf only |
| 1995 | GMC | P3500 | | 52 inch Springs with 5/8 inch diameter spring bolts, Multileaf only |
| 1996 | GMC | P3500 | | 52 inch Springs with 5/8 inch diameter spring bolts, Multileaf only |
| 1997 | GMC | P3500 | | 52 inch Springs with 5/8 inch diameter spring bolts, Multileaf only |
| 1998 | GMC | P3500 | | 52 inch Springs with 5/8 inch diameter spring bolts, Multileaf only |
| 1999 | GMC | P3500 | | 52 inch Springs with 5/8 inch diameter spring bolts, Multileaf only |