Why is the Gear Vendors overdrive so popular on HOT ROD Drag Week? Racers know it will live behind 4,000 hp, can be installed in a weekend, and doesn't share fluid with your transmission so it won't ...

“We were one of the first companies David [Freiburger] approached about the event,” explained Rick Johnson, founder and owner of Gear Vendors Overdrive. “The Overdrive is perfect for what these cars ...

OK, let's start this off by listing all the disadvantages of installing a Gear Vendors under/overdrive in your vehicle. For starters, it adds 12.25 inches to the rear of your drivetrain. Done. Oh, ...