Continental Extreme Contact Force tire is a relatively new 200 treadwear tire made in collaboration between Continental and Hoosier. Available tire sizes and more info at the link...
https://trackdaytire.com/continentalpreorder/
Head to TrackDayTire.com and Enter code: FLANAGANVIP in the sponsorship code box on the Cart page or at Checkout to get the buy 3 get 1 free deal!
Full disclosure... I am buying them anyway, but I can get my next set of tires free if 10 people use the coupon code. You get up to 25% off (smallest tire is free if you have staggered setup) a set of really good track and AX tires.
Thanks,
Shawn