Good used set of Comp Cams 1.72 cast steel roller tipped rockers and Trick Flow 3/8" poly locks. Summit #CCA-1411-16 They are not a full roller rocker. They have the ball (BB Chevy style) for mounting. They have around 6,000 miles on them and are from a street motor that was not raced. In nw Pa. 16111 asking $20 for all.