Probably not a huge difference. However, someone recnenly posted that upon installation of piggy-back pullies, he felt a change in his car when he took it for a short drive. When he returned to install the balancer, the balance negated the horespower gained from the UD.

 

i would recomend the steeda ones to any1, good for close to 10rwhp and super easy install

 

does anyone have a picture of the pulley puller to take the crank pulley out. because i cant install my steeda pulleys because i dont have one. how much do they cost?