I Want A Pulley For My Truck But I Dont Know Much About Them. How Hard Is The Install On Them?? I've Heard Of 25% And A 60%(on Horsepower Tv)underdrive Pulley's. But I Dont Remember Who Makes Them And Which Wpold Be Better.

 

ASP is the only company i know of that makes them..

 

Do You Know About The 60% One??

 

ASP is the only one i know too.

 

Does It Help? Im Trying To Get My Truck In The 8.80 N/a With Just Bolt-ons. Black Pearl What Do You Run In The 1/8 Mile??