1.7 to 1
I had bought some of those Proforms........Took 1 look and ordered some Comp Cams magnum roller tips instead. Mine is a street car no need for aluminum anyway. Stock woulda been fine but I couldn't not do it.MyBoTy said:Harland Sharp are some of the best priced and seem to be very reliable. I've used a couple of sets and haven't had any problems. Avoid ProForms and the cheap steel ebay ones, do a forum search and you'll get all the reading you can handle for awhile.