Originally Posted by Sidez
ASP Pulleys are the exact same thing, LET will give a few more PSI as they are somewhat bigger...
LET is probably around 20 PSI.
While ASP, Renntech and Evosport are 17.5-18.5
As far as I know...
I was thinking that Renntech told me between 20 to 21 @ max RPM and crank HP at the very least of 385 and could go up to 395 depending on the car and octane of the fuel.