One of the biggest pet peeves in the history of classic Mustang restoration has been those frustrating door sill plates. From the very beginning when these cars were rolling off three assembly lines ...

Per previous GM Authority coverage from March 2023, the illuminated door sill plate feature was unable to order on the GMC Yukon due to a parts constraint. Now, after more than a year of ...

When building a new structure, it is critical to securely fasten items to the foundation or slab of concrete with the use of a sill plate. A sill plate, also known as a sole plate, is the bottom ...

Offered as a Genuine Corvette Accessory, the Visible Carbon Fiber Sill Plates feature replaces the standard, factory-installed sill plates and is optional on the Corvette Stingray 3LT, Corvette Z06 ...

The sill plates, or the strips of aluminum along the bottom of the doorjamb, serve two functions: They hide the body seam and the raw edge of the carpet. If you notice, we didn’t say they look cool.

As far as parts go, the sills—the thresholds below the doors—aren't the sexiest parts of a car. Largely invisible, they seldom command attention until they aren't there. A body really isn't right if ...

Considering the importance of the sill plate to the home’s structure, it seems we would need more than the average contractor. My husband has done a lot of carpentry, but we don’t want to take any ...