0 of 2 people found this helpful 5 out of 5 590 cam in 128 bigbore,S&S I run stock heads have not got my bike dynoed yet,I am hoping to get close to 150Horse and torque. I would recommend this product by Rick on July 19, 2022 3:21 PM Was this review helpful? Yes No Comment | Share | Report Abuse Name Required Field Leave a Comment Required Field Submit Comment