I have a few Ken Ryker videos. I do like his cock, but only in one video.
That is because of the videography. Most guys directing and using the camera don't know how to do it properly, to make a cock look bigger. The videographer who did the 3 "XL Files" is one of the best at making cocks look bigger.
Straight film makers and videographers obviously and deliberately make the cock look smaller, because the focus is on the female and they don't want to intimidate the straight guys who are 90% of the straight porn market.
Ken Ryker definitely uses a vacuum pump, as do almost all porn stars. They don't over-pump (except for Max Delong, Mr 18" and a few others) so that it is noticeable to people who are not familiar with vacuum pumping.
I never noticed his cock curvature or injury. I've used a vacuum pump everyday for over 10 years and I know many pumpers. Vacuum pumping does NOT cause curvature of the cock. If anything, it would help straighten a crooked cock. Injuries heal.