| Brand | Tempest |
|---|---|
| Manufacturer Part Number | UREM38S |
Check the listing for details. Tempest UREM38S Fine Wire Aircraft Engine Spark Plug. Condition: New. Listed at 256.18 USD. Made in USA. Aviation Spark Plugs. 21st century 'fired in' resistor replaces the multipart screw, spring, carbon pile stack up used in competitive plugs and known to suffer from resistance value instability that can cause misfires, wasted fuel, engine roughness.