Choosing the right 12 valve cummins valve covers
Upgrading or replacing your 12 valve cummins valve covers is one of those small weekend projects that can completely transform the way your engine bay looks while solving some annoying oil leaks at the same time. If you've owned an old 12-valve for more than a week, you probably already know that these engines are legendary for their reliability, but they aren't exactly known for staying clean. Between the blow-by and the aging gaskets, the top of the head usually ends up looking like a greasy mess after a few hundred thousand miles. ...