Originally Posted by LAKE EFFECT

the only cams Crane could overnight me were Mercury HP525 cams(#OEM 0888), which have all the exact specs as the 168741's, except they are ground on a 114 lobe separation, as opposed to the 112 of the 741's. I guess that means I have HP525's in my old 311!

Originally Posted by HigherPower

I have a "barely used" 731 roller that I will sell. It was in my Gen VI 454. It was ran 50 hours, in excellent condition. I used it with the stock lifters / COMP springs. I upgraded to a bigger cam recently.
PM or email me if interested. I`ll sell it for whatever fair market value is for a nice used 731. I paid $350 for it 18 months ago from Summit Racing.