timken is what is in it now. with a Sachs clutch. I've used LUK before on a different vehicle and didn't like it. I'm leaning towards that centerforce, those ones you linked look essentially like stock clutches. I think an upgrade is needed. check this one out Centerforce Jeep Wrangler Dual Friction Clutch DF098391 (07-11 3.8L Wrangler JK) - Free Shipping