Sinister Diesel Chrome Trim
- Sinister Diesel®Gray Engine Cover (SD-ENGCOV-7.3)Gray Aluminum Engine Cover by Sinister Diesel®. The Sinister Diesel engine cover for the 7.3L Powerstroke will help dress up the under-hood of your Superduty. This will replace your old, weathered and cracked stock engine cover, or for...Laser Cut Aluminum ConstructionPowder coated in Sinister Gray$175.99