| 1988 | Chevrolet | C3500 | Cheyenne | RWD | 5.7L | Extended Cab Pickup | 2 | A: Not designed for diesel applications.; C: 88-91 must use Alignment Kit #4950.; K: 88-89 rear axle saddle must be welded in place.; Lowering Rate: F: 4.0-5.0" / R: 8.0" |
| 1988 | Chevrolet | C3500 | Cheyenne | RWD | 6.2L | Extended Cab Pickup | 2 | A: Not designed for diesel applications.; C: 88-91 must use Alignment Kit #4950.; K: 88-89 rear axle saddle must be welded in place.; Lowering Rate: F: 4.0-5.0" / R: 8.0" |
| 1988 | Chevrolet | C3500 | Cheyenne | RWD | 7.4L | Extended Cab Pickup | 2 | A: Not designed for diesel applications.; C: 88-91 must use Alignment Kit #4950.; K: 88-89 rear axle saddle must be welded in place.; Lowering Rate: F: 4.0-5.0" / R: 8.0" |
| 1988 | Chevrolet | C3500 | Scottsdale | RWD | 5.7L | Extended Cab Pickup | 2 | A: Not designed for diesel applications.; C: 88-91 must use Alignment Kit #4950.; K: 88-89 rear axle saddle must be welded in place.; Lowering Rate: F: 4.0-5.0" / R: 8.0" |
| 1988 | Chevrolet | C3500 | Scottsdale | RWD | 7.4L | Extended Cab Pickup | 2 | A: Not designed for diesel applications.; C: 88-91 must use Alignment Kit #4950.; K: 88-89 rear axle saddle must be welded in place.; Lowering Rate: F: 4.0-5.0" / R: 8.0" |
| 1988 | Chevrolet | C3500 | Silverado | RWD | 5.7L | Extended Cab Pickup | 2 | A: Not designed for diesel applications.; C: 88-91 must use Alignment Kit #4950.; K: 88-89 rear axle saddle must be welded in place.; Lowering Rate: F: 4.0-5.0" / R: 8.0" |
| 1988 | GMC | C3500 | Sierra | RWD | 5.7L | Extended Cab Pickup | 2 | A: Not designed for diesel applications.; C: 88-91 must use Alignment Kit #4950.; K: 88-89 rear axle saddle must be welded in place.; Lowering Rate: F: 4.0-5.0" / R: 8.0" |
| 1988 | GMC | C3500 | Sierra | RWD | 6.2L | Extended Cab Pickup | 2 | A: Not designed for diesel applications.; C: 88-91 must use Alignment Kit #4950.; K: 88-89 rear axle saddle must be welded in place.; Lowering Rate: F: 4.0-5.0" / R: 8.0" |
| 1988 | GMC | C3500 | Sierra SLE | RWD | 7.4L | Extended Cab Pickup | 2 | A: Not designed for diesel applications.; C: 88-91 must use Alignment Kit #4950.; K: 88-89 rear axle saddle must be welded in place.; Lowering Rate: F: 4.0-5.0" / R: 8.0" |