If there's one single tool that helps drivers bang gears on time, it's a shift light. Mustang and Ford owners have been installing them for years on drag cars and even road race machines to take ...

The FINANCIAL — When driving the high-revving, 526-horsepower Shelby GT350 Mustang, drivers would do best to keep eyes on the road. So that’s where Ford put the Performance Shift Light Indicator. For ...