There is a Hawks version ($35, four pieces, moves seat back 2") and a Kitts version ($200, two pieces, moves seat back 3"). What's everyone's experience or preference? Also, I assume they still can be used with aftermarket seat brackets if I decide to swap out the seats in the future? Thanks in advance! BB

 

The Hawks or Year One versions work fine for less money, you can use two sets for 4" if your very tall.