Executive order
D-540-4
Summit Industries, Inc.
Vehicle applications
No vehicle applications were preserved for this order.
Part records
| Part number | Model/specification | Modification | Remarks |
|---|---|---|---|
| THY-511 | 2000 to 2004 Tacoma, 4Runner 2/4wd with 2.4 or 2.7L engine | The Summit Industries, Inc.ÔÇÖs Thorley Headers are a shorty style header that is manufactured out of 14 gage mild steel with either a chrome or ceramic finish. The oxygen sensor is retained in the stock location and at a collector. The headers may include a connecting Y-pipe that is also manufactured out of 14 gage mild steel. |