Do you have any.900 drivers left handed. Tom Wishon January 27, 2015. I am sorry but when we did have a very high COR driver head in our.
• • • News • • • Latest Golf News • • • • • • Writers • • • • • • • • Scores • • • Leaderboards • PGA Tour • • PGA Tour Champions • • Web.com Tour • • LPGA • • European Tour • • Sunshine Tour • • Australasian Tour • • Symetra Tour • • Tour Schedule • • • • • • • • • • • • • Broadcast Coverage • • • • • • Statistics • • • • • • • • • Video • • • Online Shows • • • • • • • • • • • • Instruction • • • Popular Topics • • • • • • • • • Shows • • • • • • Find A Local Academy • • • • • • More. • • TV Shows • • • • • • • • Mobile • • Equipment • • • World Long Drive • • • • • Shop • • •. Editor's Note: This is the latest in a new weekly feature from Golf Channel Chief Technical Advisor Frank Thomas. To submit a question for possible use in this column, email Mr. Thomas, I have two questions related to COR (Coefficient of Restitution). The USGA ruled that a.83 COR was the maximum they would allow in a driver face for legal tournament play.