NEED FOR SPEED: KEN BLOCK'S GYMKHANA SIX -- ULTIMATE GYMKHANA GRID COURSENeed for Speed and Ken Block present: Gymkhana SIX: The Ultimate Gymkhana Grid Course. Learn more at: http://bit.ly/GYM-SIX Need For Speed's Racing Advisor Ken Block built the ultimate Gymkhana GRID course -- a real-life playground to showcase the sheer speed, fun and exhilarating action of driving. This means all-new obstacles that help raise the difficulty for Block to master in his Ford Fie
