Review on FEL PRO VS 50481 Valve Gasket by Don Taniguchi

On the 2001 Ford F-150, cheap covers are difficult to install and it is very difficult to check the fit of the seal at the end towards the bulkhead. The Fel-Pro relied on lugs every two inches to wedge into the valve cover groove (first picture). They didn't stop there with confidence. I ended up buying stock Ford seals (Photo 2) and I'm glad I did. The entire length is keyed to fit snugly in the groove.