| BODY CLASSIFICATION | MODEL YEARS | FRAME RAIL TO FRAME RAIL, HOLE CENTER TO HOLE CENTER | PART NUMBER | APPLICABLE TRANSMISSIONS | SHIPPING DIMENSIONS | SHIPPING WEIGHT- LBS. |
|---|---|---|---|---|---|---|
| GM Y | 1968-1981 | RCC3-350 | GM-1 | 6x13x52 | 30 | |
| GM Y | 1968-1981 | RCC3-400 | GM-3 | 6x11x52 | 30 | |
| GM Y | 1968-1981 | RCC3-700 | GM-2 | 6x11x52 | 30 | |
| GM Y | 1968-1981 | RCC3-4L80 | GM-4 | 6x13x52 | 30 | |
| GM Y | 1968-1981 | RCC3-T56 | GM-5 | 6x11x52 | 30 |
