Executive order
D-200-5
Doug Thorley Headers, Inc.
Vehicle applications
No vehicle applications were preserved for this order.
Part records
| Part number | Model/specification | Modification | Remarks |
|---|---|---|---|
| 303Y-S0, 303Y-DAO 388Y-S0, 354Y- | 1987-1992 GM vehicles powered by a closed-loop 400-454 CID engine |